100506105550999 has 16 divisors (see below), whose sum is σ = 104137373952000. Its totient is φ = 96899182155360.

The previous prime is 100506105550973. The next prime is 100506105551039. The reversal of 100506105550999 is 999055501605001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100506105550999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100506105550099) 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, 273660912 + ... + 274027930.

It is an arithmetic number, because the mean of its divisors is an integer number (6508585872000).

Almost surely, 2^{100506105550999} is an apocalyptic number.

100506105550999 is a deficient number, since it is larger than the sum of its proper divisors (3631268401001).

100506105550999 is a wasteful number, since it uses less digits than its factorization.

100506105550999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400158.

The product of its (nonzero) digits is 2733750, while the sum is 55.

The spelling of 100506105550999 in words is "one hundred trillion, five hundred six billion, one hundred five million, five hundred fifty thousand, nine hundred ninety-nine".