51163277715 has 48 divisors (see below), whose sum is σ = 96783088896. Its totient is φ = 24796699200.

The previous prime is 51163277689. The next prime is 51163277771. The reversal of 51163277715 is 51777236115.

51163277715 is a `hidden beast` number, since 5 + 1 + 1 + 632 + 7 + 7 + 7 + 1 + 5 = 666.

It is not a de Polignac number, because 51163277715 - 2⁷ = 51163277587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 1332922 + ... + 1370768.

It is an arithmetic number, because the mean of its divisors is an integer number (2016314352).

Almost surely, 2^51163277715 is an apocalyptic number.

51163277715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51163277715 is a deficient number, since it is larger than the sum of its proper divisors (45619811181).

51163277715 is a wasteful number, since it uses less digits than its factorization.

51163277715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40600 (or 40597 counting only the distinct ones).

The product of its digits is 308700, while the sum is 45.

The spelling of 51163277715 in words is "fifty-one billion, one hundred sixty-three million, two hundred seventy-seven thousand, seven hundred fifteen".