51315124055 has 32 divisors (see below), whose sum is σ = 66780470400. Its totient is φ = 37628997120.

The previous prime is 51315124051. The next prime is 51315124079. The reversal of 51315124055 is 55042151315.

It is not a de Polignac number, because 51315124055 - 2² = 51315124051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51315124051) 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 31 ways as a sum of consecutive naturals, for example, 6994169 + ... + 7001501.

It is an arithmetic number, because the mean of its divisors is an integer number (2086889700).

Almost surely, 2^51315124055 is an apocalyptic number.

51315124055 is a deficient number, since it is larger than the sum of its proper divisors (15465346345).

51315124055 is a wasteful number, since it uses less digits than its factorization.

51315124055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 51315124055 in words is "fifty-one billion, three hundred fifteen million, one hundred twenty-four thousand, fifty-five".