51000511010 has 8 divisors (see below), whose sum is σ = 91800919836. Its totient is φ = 20400204400.

The previous prime is 51000510997. The next prime is 51000511027. The reversal of 51000511010 is 1011500015.

It can be written as a sum of positive squares in 2 ways, for example, as 50786678881 + 213832129 = 225359^2 + 14623^2 .

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

It is a super-2 number, since 2×51000511010² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2550025541 + ... + 2550025560.

Almost surely, 2^51000511010 is an apocalyptic number.

51000511010 is a deficient number, since it is larger than the sum of its proper divisors (40800408826).

51000511010 is a wasteful number, since it uses less digits than its factorization.

51000511010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100051108.

The product of its (nonzero) digits is 25, while the sum is 14.

The spelling of 51000511010 in words is "fifty-one billion, five hundred eleven thousand, ten".