99117755001 has 8 divisors (see below), whose sum is σ = 146841118560. Its totient is φ = 66078503316.

The previous prime is 99117754999. The next prime is 99117755017. The reversal of 99117755001 is 10055771199.

It is a happy number.

99117755001 is a `hidden beast` number, since 9 + 91 + 1 + 7 + 7 + 550 + 0 + 1 = 666.

It is not a de Polignac number, because 99117755001 - 2¹ = 99117754999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99117755021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835513955 + ... + 1835514008.

It is an arithmetic number, because the mean of its divisors is an integer number (18355139820).

Almost surely, 2^99117755001 is an apocalyptic number.

It is an amenable number.

99117755001 is a deficient number, since it is larger than the sum of its proper divisors (47723363559).

99117755001 is a wasteful number, since it uses less digits than its factorization.

99117755001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671027972 (or 3671027966 counting only the distinct ones).

The product of its (nonzero) digits is 99225, while the sum is 45.

The spelling of 99117755001 in words is "ninety-nine billion, one hundred seventeen million, seven hundred fifty-five thousand, one".