9901017315108 has 60 divisors (see below), whose sum is σ = 26042007887280. Its totient is φ = 3280091608368.

The previous prime is 9901017315089. The next prime is 9901017315109. The reversal of 9901017315108 is 8015137101099.

It is a happy number.

9901017315108 is a `hidden beast` number, since 9 + 90 + 1 + 0 + 17 + 31 + 510 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (9901017315109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93685518 + ... + 93791141.

It is an arithmetic number, because the mean of its divisors is an integer number (434033464788).

Almost surely, 2^{9901017315108} is an apocalyptic number.

It is an amenable number.

9901017315108 is an abundant number, since it is smaller than the sum of its proper divisors (16140990572172).

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

9901017315108 is a wasteful number, since it uses less digits than its factorization.

9901017315108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187476838 (or 187476827 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 45.

The spelling of 9901017315108 in words is "nine trillion, nine hundred one billion, seventeen million, three hundred fifteen thousand, one hundred eight".