511005560056 has 8 divisors (see below), whose sum is σ = 958135425120. Its totient is φ = 255502780024.

The previous prime is 511005560017. The next prime is 511005560099. The reversal of 511005560056 is 650065500115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×511005560056² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31937847496 + ... + 31937847511.

It is an arithmetic number, because the mean of its divisors is an integer number (119766928140).

Almost surely, 2^511005560056 is an apocalyptic number.

It is an amenable number.

511005560056 is a deficient number, since it is larger than the sum of its proper divisors (447129865064).

511005560056 is a wasteful number, since it uses less digits than its factorization.

511005560056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63875695013 (or 63875695009 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 511005560056 in words is "five hundred eleven billion, five million, five hundred sixty thousand, fifty-six".