557975311991 has 4 divisors (see below), whose sum is σ = 571584465984. Its totient is φ = 544366158000.

The previous prime is 557975311973. The next prime is 557975311997. The reversal of 557975311991 is 199113579755.

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 557975311991 - 2¹⁴ = 557975295607 is a prime.

It is a super-2 number, since 2×557975311991² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557975311997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6804576935 + ... + 6804577016.

It is an arithmetic number, because the mean of its divisors is an integer number (142896116496).

Almost surely, 2^557975311991 is an apocalyptic number.

557975311991 is a deficient number, since it is larger than the sum of its proper divisors (13609153993).

557975311991 is a wasteful number, since it uses less digits than its factorization.

557975311991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609153992.

The product of its digits is 13395375, while the sum is 62.

The spelling of 557975311991 in words is "five hundred fifty-seven billion, nine hundred seventy-five million, three hundred eleven thousand, nine hundred ninety-one".