918731915051 has 16 divisors (see below), whose sum is σ = 925916659200. Its totient is φ = 911581149600.

The previous prime is 918731915039. The next prime is 918731915077. The reversal of 918731915051 is 150519137819.

It is a happy number.

It is not a de Polignac number, because 918731915051 - 2¹⁸ = 918731652907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918731911051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 92506556 + ... + 92516486.

It is an arithmetic number, because the mean of its divisors is an integer number (57869791200).

Almost surely, 2^918731915051 is an apocalyptic number.

918731915051 is a deficient number, since it is larger than the sum of its proper divisors (7184744149).

918731915051 is a wasteful number, since it uses less digits than its factorization.

918731915051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11570.

The product of its (nonzero) digits is 340200, while the sum is 50.

The spelling of 918731915051 in words is "nine hundred eighteen billion, seven hundred thirty-one million, nine hundred fifteen thousand, fifty-one".