11452212161244 has 144 divisors (see below), whose sum is σ = 30234454338816. Its totient is φ = 3790263456000.

The previous prime is 11452212161141. The next prime is 11452212161251. The reversal of 11452212161244 is 44216121225411.

It is a happy number.

11452212161244 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 22 + 12 + 1 + 612 + 4 + 4 = 666.

11452212161244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11452212161244² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11452212161199 and 11452212161208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317156239 + ... + 317192345.

It is an arithmetic number, because the mean of its divisors is an integer number (209961488464).

Almost surely, 2^{11452212161244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11452212161244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15117227169408).

11452212161244 is an abundant number, since it is smaller than the sum of its proper divisors (18782242177572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11452212161244 is a wasteful number, since it uses less digits than its factorization.

11452212161244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38438 (or 38424 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

Adding to 11452212161244 its reverse (44216121225411), we get a palindrome (55668333386655).

The spelling of 11452212161244 in words is "eleven trillion, four hundred fifty-two billion, two hundred twelve million, one hundred sixty-one thousand, two hundred forty-four".