11146253244 has 72 divisors (see below), whose sum is σ = 30288504960. Its totient is φ = 3181024224.

The previous prime is 11146253231. The next prime is 11146253311. The reversal of 11146253244 is 44235264111.

It is a happy number.

It is a super-2 number, since 2×11146253244² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530059 + ... + 550685.

It is an arithmetic number, because the mean of its divisors is an integer number (420673680).

Almost surely, 2^11146253244 is an apocalyptic number.

11146253244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11146253244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15144252480).

11146253244 is an abundant number, since it is smaller than the sum of its proper divisors (19142251716).

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

11146253244 is a wasteful number, since it uses less digits than its factorization.

11146253244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21567 (or 21558 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The spelling of 11146253244 in words is "eleven billion, one hundred forty-six million, two hundred fifty-three thousand, two hundred forty-four".