100200555554 has 32 divisors (see below), whose sum is σ = 167810284224. Its totient is φ = 44477858880.

The previous prime is 100200555529. The next prime is 100200555583. The reversal of 100200555554 is 455555002001.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 100200555554.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9580592 + ... + 9591044.

It is an arithmetic number, because the mean of its divisors is an integer number (5244071382).

Almost surely, 2^100200555554 is an apocalyptic number.

100200555554 is a deficient number, since it is larger than the sum of its proper divisors (67609728670).

100200555554 is a wasteful number, since it uses less digits than its factorization.

100200555554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20642.

The product of its (nonzero) digits is 25000, while the sum is 32.

Adding to 100200555554 its reverse (455555002001), we get a palindrome (555755557555).

The spelling of 100200555554 in words is "one hundred billion, two hundred million, five hundred fifty-five thousand, five hundred fifty-four".