15162157700 has 72 divisors (see below), whose sum is σ = 35370652800. Its totient is φ = 5623378560.

The previous prime is 15162157697. The next prime is 15162157709. The reversal of 15162157700 is 775126151.

It is a super-2 number, since 2×15162157700² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15162157709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4406 + ... + 174194.

Almost surely, 2^15162157700 is an apocalyptic number.

15162157700 is a gapful number since it is divisible by the number (10) 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 15162157700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17685326400).

15162157700 is an abundant number, since it is smaller than the sum of its proper divisors (20208495100).

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

15162157700 is a wasteful number, since it uses less digits than its factorization.

15162157700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169869 (or 169862 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 15162157700 in words is "fifteen billion, one hundred sixty-two million, one hundred fifty-seven thousand, seven hundred".