57142953811 has 4 divisors (see below), whose sum is σ = 57147664072. Its totient is φ = 57138243552.

The previous prime is 57142953799. The next prime is 57142953817. The reversal of 57142953811 is 11835924175.

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

It is a cyclic number.

It is not a de Polignac number, because 57142953811 - 2⁷ = 57142953683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57142953817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336886 + ... + 2361211.

It is an arithmetic number, because the mean of its divisors is an integer number (14286916018).

Almost surely, 2^57142953811 is an apocalyptic number.

57142953811 is a deficient number, since it is larger than the sum of its proper divisors (4710261).

57142953811 is a wasteful number, since it uses less digits than its factorization.

57142953811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710260.

The product of its digits is 302400, while the sum is 46.

The spelling of 57142953811 in words is "fifty-seven billion, one hundred forty-two million, nine hundred fifty-three thousand, eight hundred eleven".