71331120765123 has 16 divisors (see below), whose sum is σ = 98600253381120. Its totient is φ = 45815117683104.

The previous prime is 71331120765061. The next prime is 71331120765127. The reversal of 71331120765123 is 32156702113317.

It is not a de Polignac number, because 71331120765123 - 2⁸ = 71331120764867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71331120765127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885378661 + ... + 885459222.

It is an arithmetic number, because the mean of its divisors is an integer number (6162515836320).

Almost surely, 2^{71331120765123} is an apocalyptic number.

71331120765123 is a deficient number, since it is larger than the sum of its proper divisors (27269132615997).

71331120765123 is a wasteful number, since it uses less digits than its factorization.

71331120765123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770838378.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 71331120765123 in words is "seventy-one trillion, three hundred thirty-one billion, one hundred twenty million, seven hundred sixty-five thousand, one hundred twenty-three".