100639576811 has 4 divisors (see below), whose sum is σ = 100640218800. Its totient is φ = 100638934824.

The previous prime is 100639576693. The next prime is 100639576823. The reversal of 100639576811 is 118675936001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100639576811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100639576111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87050 + ... + 457008.

It is an arithmetic number, because the mean of its divisors is an integer number (25160054700).

Almost surely, 2^100639576811 is an apocalyptic number.

100639576811 is a deficient number, since it is larger than the sum of its proper divisors (641989).

100639576811 is an equidigital number, since it uses as much as digits as its factorization.

100639576811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641988.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 100639576811 in words is "one hundred billion, six hundred thirty-nine million, five hundred seventy-six thousand, eight hundred eleven".