100385317865 has 16 divisors (see below), whose sum is σ = 142418580480. Its totient is φ = 66462002880.

The previous prime is 100385317843. The next prime is 100385317913. The reversal of 100385317865 is 568713583001.

It is not a de Polignac number, because 100385317865 - 2¹⁶ = 100385252329 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, 49449881 + ... + 49451910.

It is an arithmetic number, because the mean of its divisors is an integer number (8901161280).

Almost surely, 2^100385317865 is an apocalyptic number.

It is an amenable number.

100385317865 is a deficient number, since it is larger than the sum of its proper divisors (42033262615).

100385317865 is an equidigital number, since it uses as much as digits as its factorization.

100385317865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98901832.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 100385317865 in words is "one hundred billion, three hundred eighty-five million, three hundred seventeen thousand, eight hundred sixty-five".