511234532256 has 48 divisors (see below), whose sum is σ = 1533703598784. Its totient is φ = 146067009024.

The previous prime is 511234532243. The next prime is 511234532317. The reversal of 511234532256 is 652235432115.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×511234532256² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380382165 + ... + 380383508.

It is an arithmetic number, because the mean of its divisors is an integer number (31952158308).

Almost surely, 2^511234532256 is an apocalyptic number.

511234532256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

511234532256 is an abundant number, since it is smaller than the sum of its proper divisors (1022469066528).

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

511234532256 is a wasteful number, since it uses less digits than its factorization.

511234532256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760765693 (or 760765685 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The spelling of 511234532256 in words is "five hundred eleven billion, two hundred thirty-four million, five hundred thirty-two thousand, two hundred fifty-six".