11557017140 has 48 divisors (see below), whose sum is σ = 25556670720. Its totient is φ = 4377859200.

The previous prime is 11557017139. The next prime is 11557017167. The reversal of 11557017140 is 4171075511.

It is a junction number, because it is equal to n+sod(n) for n = 11557017097 and 11557017106.

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, 1612565 + ... + 1619715.

It is an arithmetic number, because the mean of its divisors is an integer number (532430640).

Almost surely, 2^11557017140 is an apocalyptic number.

11557017140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11557017140 is an abundant number, since it is smaller than the sum of its proper divisors (13999653580).

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

11557017140 is a wasteful number, since it uses less digits than its factorization.

11557017140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11432 (or 11430 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 32.

The spelling of 11557017140 in words is "eleven billion, five hundred fifty-seven million, seventeen thousand, one hundred forty".