100455554551 has 32 divisors (see below), whose sum is σ = 113020370496. Its totient is φ = 88519680000.

The previous prime is 100455554501. The next prime is 100455554603. The reversal of 100455554551 is 155455554001.

It is a cyclic number.

It is not a de Polignac number, because 100455554551 - 2²³ = 100447165943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100455554501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11106591 + ... + 11115631.

It is an arithmetic number, because the mean of its divisors is an integer number (3531886578).

Almost surely, 2^100455554551 is an apocalyptic number.

100455554551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100455554551 is a deficient number, since it is larger than the sum of its proper divisors (12564815945).

100455554551 is a wasteful number, since it uses less digits than its factorization.

100455554551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363.

The product of its (nonzero) digits is 250000, while the sum is 40.

It can be divided in two parts, 1004 and 55554551, that added together give a palindrome (55555555).

The spelling of 100455554551 in words is "one hundred billion, four hundred fifty-five million, five hundred fifty-four thousand, five hundred fifty-one".