51040111375 has 16 divisors (see below), whose sum is σ = 69488793504. Its totient is φ = 37120080000.

The previous prime is 51040111327. The next prime is 51040111393. The reversal of 51040111375 is 57311104015.

It is not a de Polignac number, because 51040111375 - 2⁷ = 51040111247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18558666 + ... + 18561415.

It is an arithmetic number, because the mean of its divisors is an integer number (4343049594).

Almost surely, 2^51040111375 is an apocalyptic number.

51040111375 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51040111375 is a deficient number, since it is larger than the sum of its proper divisors (18448682129).

51040111375 is a wasteful number, since it uses less digits than its factorization.

51040111375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37120107 (or 37120097 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 51040111375 in words is "fifty-one billion, forty million, one hundred eleven thousand, three hundred seventy-five".