11157251670 has 48 divisors (see below), whose sum is σ = 29146386672. Its totient is φ = 2961161280.

The previous prime is 11157251659. The next prime is 11157251683. The reversal of 11157251670 is 7615275111.

It is a happy number.

11157251670 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 72 + 516 + 70 = 666.

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, 274777 + ... + 312756.

It is an arithmetic number, because the mean of its divisors is an integer number (607216389).

Almost surely, 2^11157251670 is an apocalyptic number.

11157251670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11157251670 is an abundant number, since it is smaller than the sum of its proper divisors (17989135002).

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

11157251670 is a wasteful number, since it uses less digits than its factorization.

11157251670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587757 (or 587754 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 36.

The spelling of 11157251670 in words is "eleven billion, one hundred fifty-seven million, two hundred fifty-one thousand, six hundred seventy".