11452243712 has 144 divisors (see below), whose sum is σ = 28216520640. Its totient is φ = 4517462016.

The previous prime is 11452243643. The next prime is 11452243717. The reversal of 11452243712 is 21734225411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452243717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13814114 + ... + 13814942.

It is an arithmetic number, because the mean of its divisors is an integer number (195948060).

Almost surely, 2^11452243712 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 11452243712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14108260320).

11452243712 is an abundant number, since it is smaller than the sum of its proper divisors (16764276928).

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

11452243712 is an equidigital number, since it uses as much as digits as its factorization.

11452243712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1444 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The spelling of 11452243712 in words is "eleven billion, four hundred fifty-two million, two hundred forty-three thousand, seven hundred twelve".