100000111995 has 96 divisors (see below), whose sum is σ = 201606991872. Its totient is φ = 44907768576.

The previous prime is 100000111987. The next prime is 100000112063. The reversal of 100000111995 is 599111000001.

It is not a de Polignac number, because 100000111995 - 2³ = 100000111987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7865814 + ... + 7878516.

It is an arithmetic number, because the mean of its divisors is an integer number (2100072832).

Almost surely, 2^100000111995 is an apocalyptic number.

100000111995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100000111995 is an abundant number, since it is smaller than the sum of its proper divisors (101606879877).

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

100000111995 is a wasteful number, since it uses less digits than its factorization.

100000111995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13161 (or 13158 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 27.

Adding to 100000111995 its reverse (599111000001), we get a palindrome (699111111996).

The spelling of 100000111995 in words is "one hundred billion, one hundred eleven thousand, nine hundred ninety-five".