100862810685 has 432 divisors, whose sum is σ = 236508989184. Its totient is φ = 40351094784.

The previous prime is 100862810663. The next prime is 100862810689. The reversal of 100862810685 is 586018268001.

100862810685 is a `hidden beast` number, since 1 + 0 + 0 + 8 + 628 + 10 + 6 + 8 + 5 = 666.

It is not a de Polignac number, because 100862810685 - 2¹⁰ = 100862809661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 100862810685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100862810689) by changing a digit.

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 431 ways as a sum of consecutive naturals, for example, 892591189 + ... + 892591301.

It is an arithmetic number, because the mean of its divisors is an integer number (547474512).

Almost surely, 2^100862810685 is an apocalyptic number.

100862810685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100862810685 is an abundant number, since it is smaller than the sum of its proper divisors (135646178499).

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

100862810685 is an equidigital number, since it uses as much as digits as its factorization.

100862810685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 100862810685 in words is "one hundred billion, eight hundred sixty-two million, eight hundred ten thousand, six hundred eighty-five".