51711739995 has 16 divisors (see below), whose sum is σ = 85407777792. Its totient is φ = 26689930080.

The previous prime is 51711739979. The next prime is 51711739999. The reversal of 51711739995 is 59993711715.

It is not a de Polignac number, because 51711739995 - 2⁴ = 51711739979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51711739999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55603557 + ... + 55604486.

It is an arithmetic number, because the mean of its divisors is an integer number (5337986112).

Almost surely, 2^51711739995 is an apocalyptic number.

51711739995 is a deficient number, since it is larger than the sum of its proper divisors (33696037797).

51711739995 is a wasteful number, since it uses less digits than its factorization.

51711739995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111208082.

The product of its digits is 2679075, while the sum is 57.

The spelling of 51711739995 in words is "fifty-one billion, seven hundred eleven million, seven hundred thirty-nine thousand, nine hundred ninety-five".