51982428915 has 64 divisors (see below), whose sum is σ = 97515187200. Its totient is φ = 26220471552.

The previous prime is 51982428899. The next prime is 51982428931.

51982428915 is a `hidden beast` number, since 51 + 9 + 82 + 428 + 91 + 5 = 666.

51982428915 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51982428899) and next prime (51982428931).

It is not a de Polignac number, because 51982428915 - 2⁴ = 51982428899 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 182292 + ... + 370398.

It is an arithmetic number, because the mean of its divisors is an integer number (1523674800).

Almost surely, 2^51982428915 is an apocalyptic number.

51982428915 is a deficient number, since it is larger than the sum of its proper divisors (45532758285).

51982428915 is a wasteful number, since it uses less digits than its factorization.

51982428915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188233 (or 188227 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The spelling of 51982428915 in words is "fifty-one billion, nine hundred eighty-two million, four hundred twenty-eight thousand, nine hundred fifteen".