57120605566165 has 16 divisors (see below), whose sum is σ = 68683313321280. Its totient is φ = 45604125665280.

The previous prime is 57120605566109. The next prime is 57120605566183. The reversal of 57120605566165 is 56166550602175.

It is not a de Polignac number, because 57120605566165 - 2²⁹ = 57120068695253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12148245 + ... + 16180885.

It is an arithmetic number, because the mean of its divisors is an integer number (4292707082580).

Almost surely, 2^{57120605566165} is an apocalyptic number.

It is an amenable number.

57120605566165 is a deficient number, since it is larger than the sum of its proper divisors (11562707755115).

57120605566165 is a wasteful number, since it uses less digits than its factorization.

57120605566165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038372.

The product of its (nonzero) digits is 11340000, while the sum is 55.

The spelling of 57120605566165 in words is "fifty-seven trillion, one hundred twenty billion, six hundred five million, five hundred sixty-six thousand, one hundred sixty-five".