50516115651 has 48 divisors (see below), whose sum is σ = 79286407200. Its totient is φ = 30884281344.

The previous prime is 50516115599. The next prime is 50516115679. The reversal of 50516115651 is 15651161505.

It is a happy number.

It is not a de Polignac number, because 50516115651 - 2¹¹ = 50516113603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50516115151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1226155 + ... + 1266683.

It is an arithmetic number, because the mean of its divisors is an integer number (1651800150).

Almost surely, 2^50516115651 is an apocalyptic number.

50516115651 is a deficient number, since it is larger than the sum of its proper divisors (28770291549).

50516115651 is a wasteful number, since it uses less digits than its factorization.

50516115651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40788 (or 40785 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 50516115651 in words is "fifty billion, five hundred sixteen million, one hundred fifteen thousand, six hundred fifty-one".