57105711617002 has 4 divisors (see below), whose sum is σ = 85658567425506. Its totient is φ = 28552855808500.

The previous prime is 57105711616991. The next prime is 57105711617029. The reversal of 57105711617002 is 20071611750175.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 57105513398761 + 198218241 = 7556819^2 + 14079^2 .

It is a super-2 number, since 2×57105711617002² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57105711617002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14276427904249 + ... + 14276427904252.

Almost surely, 2^{57105711617002} is an apocalyptic number.

57105711617002 is a deficient number, since it is larger than the sum of its proper divisors (28552855808504).

57105711617002 is a wasteful number, since it uses less digits than its factorization.

57105711617002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28552855808503.

The product of its (nonzero) digits is 102900, while the sum is 43.

The spelling of 57105711617002 in words is "fifty-seven trillion, one hundred five billion, seven hundred eleven million, six hundred seventeen thousand, two".