99520324415 has 16 divisors (see below), whose sum is σ = 119719472256. Its totient is φ = 79419648000.

The previous prime is 99520324403. The next prime is 99520324487. The reversal of 99520324415 is 51442302599.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-99520324415 is a prime.

It is a super-3 number, since 3×99520324415³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12591965 + ... + 12599865.

It is an arithmetic number, because the mean of its divisors is an integer number (7482467016).

Almost surely, 2^99520324415 is an apocalyptic number.

99520324415 is a deficient number, since it is larger than the sum of its proper divisors (20199147841).

99520324415 is a wasteful number, since it uses less digits than its factorization.

99520324415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13810.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 99520324415 in words is "ninety-nine billion, five hundred twenty million, three hundred twenty-four thousand, four hundred fifteen".