100861775694 has 32 divisors (see below), whose sum is σ = 224375582880. Its totient is φ = 33584846400.

The previous prime is 100861775683. The next prime is 100861775741. The reversal of 100861775694 is 496577168001.

100861775694 is a `hidden beast` number, since 1 + 0 + 0 + 8 + 6 + 1 + 77 + 569 + 4 = 666.

It is a super-2 number, since 2×100861775694² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100861775694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941647 + ... + 1043274.

It is an arithmetic number, because the mean of its divisors is an integer number (7011736965).

Almost surely, 2^100861775694 is an apocalyptic number.

100861775694 is an abundant number, since it is smaller than the sum of its proper divisors (123513807186).

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

100861775694 is a wasteful number, since it uses less digits than its factorization.

100861775694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985873 (or 1985867 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 100861775694 in words is "one hundred billion, eight hundred sixty-one million, seven hundred seventy-five thousand, six hundred ninety-four".