57101270561 has 4 divisors (see below), whose sum is σ = 57102387732. Its totient is φ = 57100153392.

The previous prime is 57101270519. The next prime is 57101270587. The reversal of 57101270561 is 16507210175.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21391987600 + 35709282961 = 146260^2 + 188969^2 .

It is a cyclic number.

It is not a de Polignac number, because 57101270561 - 2¹⁸ = 57101008417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57101270861) 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, 478046 + ... + 585431.

It is an arithmetic number, because the mean of its divisors is an integer number (14275596933).

Almost surely, 2^57101270561 is an apocalyptic number.

It is an amenable number.

57101270561 is a deficient number, since it is larger than the sum of its proper divisors (1117171).

57101270561 is a wasteful number, since it uses less digits than its factorization.

57101270561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117170.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 57101270561 in words is "fifty-seven billion, one hundred one million, two hundred seventy thousand, five hundred sixty-one".