99515325769 has 12 divisors (see below), whose sum is σ = 102869910468. Its totient is φ = 96266889120.

The previous prime is 99515325731. The next prime is 99515325809. The reversal of 99515325769 is 96752351599.

It can be written as a sum of positive squares in 2 ways, for example, as 46391990544 + 53123335225 = 215388^2 + 230485^2 .

It is not a de Polignac number, because 99515325769 - 2¹⁷ = 99515194697 is a prime.

It is a super-2 number, since 2×99515325769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99515325269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2568747 + ... + 2607199.

It is an arithmetic number, because the mean of its divisors is an integer number (8572492539).

Almost surely, 2^99515325769 is an apocalyptic number.

It is an amenable number.

99515325769 is a deficient number, since it is larger than the sum of its proper divisors (3354584699).

99515325769 is a wasteful number, since it uses less digits than its factorization.

99515325769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41208 (or 41177 counting only the distinct ones).

The product of its digits is 22963500, while the sum is 61.

The spelling of 99515325769 in words is "ninety-nine billion, five hundred fifteen million, three hundred twenty-five thousand, seven hundred sixty-nine".