11257457156 has 36 divisors (see below), whose sum is σ = 22062945996. Its totient is φ = 5020466880.

The previous prime is 11257457143. The next prime is 11257457161. The reversal of 11257457156 is 65175475211.

It can be written as a sum of positive squares in 2 ways, for example, as 3279394756 + 7978062400 = 57266^2 + 89320^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193775 + ... + 245078.

It is an arithmetic number, because the mean of its divisors is an integer number (612859611).

Almost surely, 2^11257457156 is an apocalyptic number.

It is an amenable number.

11257457156 is a deficient number, since it is larger than the sum of its proper divisors (10805488840).

11257457156 is a wasteful number, since it uses less digits than its factorization.

11257457156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438932 (or 438919 counting only the distinct ones).

The product of its digits is 294000, while the sum is 44.

The spelling of 11257457156 in words is "eleven billion, two hundred fifty-seven million, four hundred fifty-seven thousand, one hundred fifty-six".