215698027125252 has 24 divisors (see below), whose sum is σ = 575194739000896. Its totient is φ = 61628007750048.

The previous prime is 215698027125187. The next prime is 215698027125293. The reversal of 215698027125252 is 252521720896512.

It is a junction number, because it is equal to n+sod(n) for n = 215698027125192 and 215698027125201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283916828043 + ... + 1283916828210.

Almost surely, 2^{215698027125252} is an apocalyptic number.

It is an amenable number.

215698027125252 is an abundant number, since it is smaller than the sum of its proper divisors (359496711875644).

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

215698027125252 is a wasteful number, since it uses less digits than its factorization.

215698027125252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567833656267 (or 2567833656265 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 215698027125252 in words is "two hundred fifteen trillion, six hundred ninety-eight billion, twenty-seven million, one hundred twenty-five thousand, two hundred fifty-two".