57311444191 has 8 divisors (see below), whose sum is σ = 60729158160. Its totient is φ = 53898891648.

The previous prime is 57311444117. The next prime is 57311444227. The reversal of 57311444191 is 19144411375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57311444191 - 2¹¹ = 57311442143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57311444101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1267476 + ... + 1311913.

It is an arithmetic number, because the mean of its divisors is an integer number (7591144770).

Almost surely, 2^57311444191 is an apocalyptic number.

57311444191 is a deficient number, since it is larger than the sum of its proper divisors (3417713969).

57311444191 is a wasteful number, since it uses less digits than its factorization.

57311444191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580713.

The product of its digits is 60480, while the sum is 40.

The spelling of 57311444191 in words is "fifty-seven billion, three hundred eleven million, four hundred forty-four thousand, one hundred ninety-one".