15485556164250 has 32 divisors (see below), whose sum is σ = 38651948187840. Its totient is φ = 4129481643600.

The previous prime is 15485556164171. The next prime is 15485556164261. The reversal of 15485556164250 is 5246165558451.

It is a super-2 number, since 2×15485556164250² (a number of 27 digits) contains 22 as substring.

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, 10323703360 + ... + 10323704859.

It is an arithmetic number, because the mean of its divisors is an integer number (1207873380870).

Almost surely, 2^{15485556164250} is an apocalyptic number.

15485556164250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15485556164250 is an abundant number, since it is smaller than the sum of its proper divisors (23166392023590).

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

15485556164250 is a wasteful number, since it uses less digits than its factorization.

15485556164250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20647408239 (or 20647408229 counting only the distinct ones).

The product of its (nonzero) digits is 28800000, while the sum is 57.

The spelling of 15485556164250 in words is "fifteen trillion, four hundred eighty-five billion, five hundred fifty-six million, one hundred sixty-four thousand, two hundred fifty".