25212511551052 has 48 divisors (see below), whose sum is σ = 50566729973760. Its totient is φ = 10775001362112.

The previous prime is 25212511551023. The next prime is 25212511551061. The reversal of 25212511551052 is 25015511521252.

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, 128135898 + ... + 128332510.

It is an arithmetic number, because the mean of its divisors is an integer number (1053473541120).

Almost surely, 2^{25212511551052} is an apocalyptic number.

It is an amenable number.

25212511551052 is an abundant number, since it is smaller than the sum of its proper divisors (25354218422708).

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

25212511551052 is a wasteful number, since it uses less digits than its factorization.

25212511551052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209470 (or 209468 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 37.

The spelling of 25212511551052 in words is "twenty-five trillion, two hundred twelve billion, five hundred eleven million, five hundred fifty-one thousand, fifty-two".