252020555231211 has 64 divisors (see below), whose sum is σ = 405062380800000. Its totient is φ = 153941269824000.

The previous prime is 252020555231111. The next prime is 252020555231231. The reversal of 252020555231211 is 112132555020252.

252020555231211 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 2 + 0 + 5 + 5 + 523 + 121 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-252020555231211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252020555231231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 231252915 + ... + 232340163.

It is an arithmetic number, because the mean of its divisors is an integer number (6329099700000).

Almost surely, 2^{252020555231211} is an apocalyptic number.

252020555231211 is a deficient number, since it is larger than the sum of its proper divisors (153041825568789).

252020555231211 is a wasteful number, since it uses less digits than its factorization.

252020555231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092161 (or 1092155 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 252020555231211 in words is "two hundred fifty-two trillion, twenty billion, five hundred fifty-five million, two hundred thirty-one thousand, two hundred eleven".