57205995612566 has 16 divisors (see below), whose sum is σ = 86843200777200. Its totient is φ = 28258264909728.

The previous prime is 57205995612541. The next prime is 57205995612709. The reversal of 57205995612566 is 66521659950275.

It is a junction number, because it is equal to n+sod(n) for n = 57205995612496 and 57205995612505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49465580 + ... + 50608848.

It is an arithmetic number, because the mean of its divisors is an integer number (5427700048575).

Almost surely, 2^{57205995612566} is an apocalyptic number.

57205995612566 is a deficient number, since it is larger than the sum of its proper divisors (29637205164634).

57205995612566 is a wasteful number, since it uses less digits than its factorization.

57205995612566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444783.

The product of its (nonzero) digits is 306180000, while the sum is 68.

The spelling of 57205995612566 in words is "fifty-seven trillion, two hundred five billion, nine hundred ninety-five million, six hundred twelve thousand, five hundred sixty-six".