172872532252152 has 96 divisors (see below), whose sum is σ = 477125992512000. Its totient is φ = 56529233782080.

The previous prime is 172872532252087. The next prime is 172872532252237. The reversal of 172872532252152 is 251252235278271.

172872532252152 is a `hidden beast` number, since 1 + 7 + 2 + 8 + 7 + 2 + 532 + 2 + 52 + 1 + 52 = 666.

It is a super-2 number, since 2×172872532252152² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40444374 + ... + 44513957.

It is an arithmetic number, because the mean of its divisors is an integer number (4970062422000).

Almost surely, 2^{172872532252152} is an apocalyptic number.

172872532252152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172872532252152 is an abundant number, since it is smaller than the sum of its proper divisors (304253460259848).

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

172872532252152 is a wasteful number, since it uses less digits than its factorization.

172872532252152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84958881 (or 84958874 counting only the distinct ones).

The product of its digits is 9408000, while the sum is 54.

The spelling of 172872532252152 in words is "one hundred seventy-two trillion, eight hundred seventy-two billion, five hundred thirty-two million, two hundred fifty-two thousand, one hundred fifty-two".