11157053136 has 80 divisors (see below), whose sum is σ = 29518247616. Its totient is φ = 3629380608.

The previous prime is 11157053113. The next prime is 11157053147. The reversal of 11157053136 is 63135075111.

It is a junction number, because it is equal to n+sod(n) for n = 11157053097 and 11157053106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4236076 + ... + 4238708.

Almost surely, 2^11157053136 is an apocalyptic number.

11157053136 is a gapful number since it is divisible by the number (16) 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 11157053136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14759123808).

11157053136 is an abundant number, since it is smaller than the sum of its proper divisors (18361194480).

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

11157053136 is a wasteful number, since it uses less digits than its factorization.

11157053136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740 (or 4734 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The spelling of 11157053136 in words is "eleven billion, one hundred fifty-seven million, fifty-three thousand, one hundred thirty-six".