15225082316172 has 60 divisors (see below), whose sum is σ = 39801838723416. Its totient is φ = 5074968003840.

The previous prime is 15225082316167. The next prime is 15225082316177. The reversal of 15225082316172 is 27161328052251.

15225082316172 is a `hidden beast` number, since 1 + 5 + 2 + 2 + 5 + 0 + 8 + 23 + 1 + 617 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (15225082316167) and next prime (15225082316177).

It is not an unprimeable number, because it can be changed into a prime (15225082316177) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34018972 + ... + 34463612.

Almost surely, 2^{15225082316172} is an apocalyptic number.

15225082316172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15225082316172 is an abundant number, since it is smaller than the sum of its proper divisors (24576756407244).

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

15225082316172 is a wasteful number, since it uses less digits than its factorization.

15225082316172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550340 (or 550329 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 15225082316172 in words is "fifteen trillion, two hundred twenty-five billion, eighty-two million, three hundred sixteen thousand, one hundred seventy-two".