96915731081 has 16 divisors (see below), whose sum is σ = 105382060560. Its totient is φ = 88595189760.

The previous prime is 96915731063. The next prime is 96915731119. The reversal of 96915731081 is 18013751969.

It can be written as a sum of positive squares in 8 ways, for example, as 5448801856 + 91466929225 = 73816^2 + 302435^2 .

It is a cyclic number.

It is not a de Polignac number, because 96915731081 - 2¹⁰ = 96915730057 is a prime.

It is a super-2 number, since 2×96915731081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (96915731021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778561 + ... + 1832241.

It is an arithmetic number, because the mean of its divisors is an integer number (6586378785).

Almost surely, 2^96915731081 is an apocalyptic number.

It is an amenable number.

96915731081 is a deficient number, since it is larger than the sum of its proper divisors (8466329479).

96915731081 is a wasteful number, since it uses less digits than its factorization.

96915731081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55036.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 96915731081 in words is "ninety-six billion, nine hundred fifteen million, seven hundred thirty-one thousand, eighty-one".