525631718364 has 12 divisors (see below), whose sum is σ = 1226474009544. Its totient is φ = 175210572784.

The previous prime is 525631718357. The next prime is 525631718371. The reversal of 525631718364 is 463817136525.

525631718364 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (525631718357) and next prime (525631718371).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21901321587 + ... + 21901321610.

It is an arithmetic number, because the mean of its divisors is an integer number (102206167462).

Almost surely, 2^525631718364 is an apocalyptic number.

It is an amenable number.

525631718364 is an abundant number, since it is smaller than the sum of its proper divisors (700842291180).

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

525631718364 is a wasteful number, since it uses less digits than its factorization.

525631718364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43802643204 (or 43802643202 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The spelling of 525631718364 in words is "five hundred twenty-five billion, six hundred thirty-one million, seven hundred eighteen thousand, three hundred sixty-four".