100869990195 has 64 divisors (see below), whose sum is σ = 184364449920. Its totient is φ = 46653186048.

The previous prime is 100869990191. The next prime is 100869990197. The reversal of 100869990195 is 591099968001.

It is not a de Polignac number, because 100869990195 - 2² = 100869990191 is a prime.

It is a super-2 number, since 2×100869990195² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100869990191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1819141 + ... + 1873769.

It is an arithmetic number, because the mean of its divisors is an integer number (2880694530).

Almost surely, 2^100869990195 is an apocalyptic number.

100869990195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100869990195 is a deficient number, since it is larger than the sum of its proper divisors (83494459725).

100869990195 is a wasteful number, since it uses less digits than its factorization.

100869990195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55224.

The product of its (nonzero) digits is 1574640, while the sum is 57.

The spelling of 100869990195 in words is "one hundred billion, eight hundred sixty-nine million, nine hundred ninety thousand, one hundred ninety-five".