100560644999 has 2 divisors, whose sum is σ = 100560645000. Its totient is φ = 100560644998.

The previous prime is 100560644959. The next prime is 100560645001. The reversal of 100560644999 is 999446065001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100560644999 - 2²⁸ = 100292209543 is a prime.

It is a super-2 number, since 2×100560644999² (a number of 23 digits) contains 22 as substring.

Together with 100560645001, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100560644999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100560644909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280322499 + 50280322500.

It is an arithmetic number, because the mean of its divisors is an integer number (50280322500).

Almost surely, 2^100560644999 is an apocalyptic number.

100560644999 is a deficient number, since it is larger than the sum of its proper divisors (1).

100560644999 is an equidigital number, since it uses as much as digits as its factorization.

100560644999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 100560644999 in words is "one hundred billion, five hundred sixty million, six hundred forty-four thousand, nine hundred ninety-nine".