99945110544 has 80 divisors (see below), whose sum is σ = 280547758080. Its totient is φ = 30543488640.

The previous prime is 99945110539. The next prime is 99945110609. The reversal of 99945110544 is 44501154999.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 1739292 + ... + 1795835.

It is an arithmetic number, because the mean of its divisors is an integer number (3506846976).

Almost surely, 2^99945110544 is an apocalyptic number.

It is an amenable number.

99945110544 is an abundant number, since it is smaller than the sum of its proper divisors (180602647536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99945110544 is a wasteful number, since it uses less digits than its factorization.

99945110544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535188 (or 3535182 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 99945110544 in words is "ninety-nine billion, nine hundred forty-five million, one hundred ten thousand, five hundred forty-four".