51723232715 has 128 divisors (see below), whose sum is σ = 82301681664. Its totient is φ = 30254400000.

The previous prime is 51723232709. The next prime is 51723232741.

51723232715 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51723232715 - 2⁶ = 51723232651 is a prime.

It is a Duffinian number.

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 127 ways as a sum of consecutive naturals, for example, 135047414 + ... + 135047796.

It is an arithmetic number, because the mean of its divisors is an integer number (642981888).

Almost surely, 2^51723232715 is an apocalyptic number.

51723232715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51723232715 is a deficient number, since it is larger than the sum of its proper divisors (30578448949).

51723232715 is a wasteful number, since it uses less digits than its factorization.

51723232715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its digits is 88200, while the sum is 38.

It can be divided in two parts, 517 and 23232715, that added together give a palindrome (23233232).

The spelling of 51723232715 in words is "fifty-one billion, seven hundred twenty-three million, two hundred thirty-two thousand, seven hundred fifteen".