51375151814438 has 32 divisors (see below), whose sum is σ = 77624000921376. Its totient is φ = 25500791167488.

The previous prime is 51375151814429. The next prime is 51375151814477. The reversal of 51375151814438 is 83441815157315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205593120 + ... + 2205616412.

It is an arithmetic number, because the mean of its divisors is an integer number (2425750028793).

Almost surely, 2^{51375151814438} is an apocalyptic number.

51375151814438 is a deficient number, since it is larger than the sum of its proper divisors (26248849106938).

51375151814438 is a wasteful number, since it uses less digits than its factorization.

51375151814438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29528.

The product of its digits is 8064000, while the sum is 56.

The spelling of 51375151814438 in words is "fifty-one trillion, three hundred seventy-five billion, one hundred fifty-one million, eight hundred fourteen thousand, four hundred thirty-eight".