57021845112 has 24 divisors (see below), whose sum is σ = 154434164040. Its totient is φ = 19007281680.

The previous prime is 57021845087. The next prime is 57021845137. The reversal of 57021845112 is 21154812075.

It is a happy number.

57021845112 is a `hidden beast` number, since 570 + 2 + 1 + 84 + 5 + 1 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (57021845087) and next prime (57021845137).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 395984964 + ... + 395985107.

It is an arithmetic number, because the mean of its divisors is an integer number (6434756835).

Almost surely, 2^57021845112 is an apocalyptic number.

It is an amenable number.

57021845112 is an abundant number, since it is smaller than the sum of its proper divisors (97412318928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57021845112 is a wasteful number, since it uses less digits than its factorization.

57021845112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791970083 (or 791970076 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The spelling of 57021845112 in words is "fifty-seven billion, twenty-one million, eight hundred forty-five thousand, one hundred twelve".