100555968799 has 16 divisors (see below), whose sum is σ = 121946517504. Its totient is φ = 81660607200.

The previous prime is 100555968797. The next prime is 100555968811. The reversal of 100555968799 is 997869555001.

It is a cyclic number.

It is not a de Polignac number, because 100555968799 - 2¹ = 100555968797 is a prime.

It is a super-2 number, since 2×100555968799² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100555968799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555968791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11337319 + ... + 11346184.

It is an arithmetic number, because the mean of its divisors is an integer number (7621657344).

Almost surely, 2^100555968799 is an apocalyptic number.

100555968799 is a deficient number, since it is larger than the sum of its proper divisors (21390548705).

100555968799 is a wasteful number, since it uses less digits than its factorization.

100555968799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22683558.

The product of its (nonzero) digits is 30618000, while the sum is 64.

The spelling of 100555968799 in words is "one hundred billion, five hundred fifty-five million, nine hundred sixty-eight thousand, seven hundred ninety-nine".