99935688572545 has 16 divisors (see below), whose sum is σ = 137058942706560. Its totient is φ = 68525187260544.

The previous prime is 99935688572521. The next prime is 99935688572567. The reversal of 99935688572545 is 54527588653999.

It is a de Polignac number, because none of the positive numbers 2^k-99935688572545 is a prime.

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, 43489860 + ... + 45730069.

It is an arithmetic number, because the mean of its divisors is an integer number (8566183919160).

Almost surely, 2^{99935688572545} is an apocalyptic number.

It is an amenable number.

99935688572545 is a deficient number, since it is larger than the sum of its proper divisors (37123254134015).

99935688572545 is a wasteful number, since it uses less digits than its factorization.

99935688572545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89251944.

The product of its digits is 29393280000, while the sum is 85.

The spelling of 99935688572545 in words is "ninety-nine trillion, nine hundred thirty-five billion, six hundred eighty-eight million, five hundred seventy-two thousand, five hundred forty-five".