51400118488475 has 18 divisors (see below), whose sum is σ = 67705872349284. Its totient is φ = 38701265680000.

The previous prime is 51400118488471. The next prime is 51400118488501. The reversal of 51400118488475 is 57488481100415.

It is not a de Polignac number, because 51400118488475 - 2² = 51400118488471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51400118488475.

It is not an unprimeable number, because it can be changed into a prime (51400118488471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3557094401 + ... + 3557108850.

It is an arithmetic number, because the mean of its divisors is an integer number (3761437352738).

Almost surely, 2^{51400118488475} is an apocalyptic number.

51400118488475 is a deficient number, since it is larger than the sum of its proper divisors (16305753860809).

51400118488475 is a wasteful number, since it uses less digits than its factorization.

51400118488475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114203295 (or 7114203273 counting only the distinct ones).

The product of its (nonzero) digits is 5734400, while the sum is 56.

The spelling of 51400118488475 in words is "fifty-one trillion, four hundred billion, one hundred eighteen million, four hundred eighty-eight thousand, four hundred seventy-five".