525640566354361 has 16 divisors (see below), whose sum is σ = 554223240388800. Its totient is φ = 497149698705408.

The previous prime is 525640566354329. The next prime is 525640566354367. The reversal of 525640566354361 is 163453665046525.

It is a cyclic number.

It is not a de Polignac number, because 525640566354361 - 2⁵ = 525640566354329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525640566354361.

It is not an unprimeable number, because it can be changed into a prime (525640566354367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279834285 + ... + 281706421.

It is an arithmetic number, because the mean of its divisors is an integer number (34638952524300).

Almost surely, 2^{525640566354361} is an apocalyptic number.

It is an amenable number.

525640566354361 is a deficient number, since it is larger than the sum of its proper divisors (28582674034439).

525640566354361 is a wasteful number, since it uses less digits than its factorization.

525640566354361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896648.

The product of its (nonzero) digits is 233280000, while the sum is 61.

The spelling of 525640566354361 in words is "five hundred twenty-five trillion, six hundred forty billion, five hundred sixty-six million, three hundred fifty-four thousand, three hundred sixty-one".