57153099681 has 48 divisors (see below), whose sum is σ = 85596288960. Its totient is φ = 36723456000.

The previous prime is 57153099677. The next prime is 57153099683. The reversal of 57153099681 is 18699035175.

57153099681 is a `hidden beast` number, since 571 + 5 + 3 + 0 + 9 + 9 + 68 + 1 = 666.

It is not a de Polignac number, because 57153099681 - 2² = 57153099677 is a prime.

It is a super-2 number, since 2×57153099681² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57153099683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10819761 + ... + 10825041.

It is an arithmetic number, because the mean of its divisors is an integer number (1783256020).

Almost surely, 2^57153099681 is an apocalyptic number.

It is an amenable number.

57153099681 is a deficient number, since it is larger than the sum of its proper divisors (28443189279).

57153099681 is a wasteful number, since it uses less digits than its factorization.

57153099681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5675 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 57153099681 in words is "fifty-seven billion, one hundred fifty-three million, ninety-nine thousand, six hundred eighty-one".