99513880999 has 16 divisors (see below), whose sum is σ = 109496217600. Its totient is φ = 89865721440.

The previous prime is 99513880979. The next prime is 99513881009. The reversal of 99513880999 is 99908831599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99513880999 is a prime.

It is a super-2 number, since 2×99513880999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99513880979) 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, 1431844 + ... + 1499734.

It is an arithmetic number, because the mean of its divisors is an integer number (6843513600).

Almost surely, 2^99513880999 is an apocalyptic number.

99513880999 is a deficient number, since it is larger than the sum of its proper divisors (9982336601).

99513880999 is a wasteful number, since it uses less digits than its factorization.

99513880999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70350.

The product of its (nonzero) digits is 56687040, while the sum is 70.

The spelling of 99513880999 in words is "ninety-nine billion, five hundred thirteen million, eight hundred eighty thousand, nine hundred ninety-nine".