511056977232 has 80 divisors (see below), whose sum is σ = 1356080125952. Its totient is φ = 165727710720.

The previous prime is 511056977231. The next prime is 511056977287. The reversal of 511056977232 is 232779650115.

It is a super-2 number, since 2×511056977232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511056977231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22048113 + ... + 22071279.

Almost surely, 2^511056977232 is an apocalyptic number.

It is an amenable number.

511056977232 is an abundant number, since it is smaller than the sum of its proper divisors (845023148720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511056977232 is a wasteful number, since it uses less digits than its factorization.

511056977232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35636 (or 35630 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 511056977232 in words is "five hundred eleven billion, fifty-six million, nine hundred seventy-seven thousand, two hundred thirty-two".