51107070020506 has 16 divisors (see below), whose sum is σ = 76677109666920. Its totient is φ = 25548034037760.

The previous prime is 51107070020471. The next prime is 51107070020627. The reversal of 51107070020506 is 60502007070115.

It is a happy number.

51107070020506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41997593108025 + 9109476912481 = 6480555^2 + 3018191^2 .

It is a super-2 number, since 2×51107070020506² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 191899870 + ... + 192166006.

Almost surely, 2^{51107070020506} is an apocalyptic number.

51107070020506 is a deficient number, since it is larger than the sum of its proper divisors (25570039646414).

51107070020506 is a wasteful number, since it uses less digits than its factorization.

51107070020506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286449.

The product of its (nonzero) digits is 14700, while the sum is 34.

The spelling of 51107070020506 in words is "fifty-one trillion, one hundred seven billion, seventy million, twenty thousand, five hundred six".