100555655051 has 4 divisors (see below), whose sum is σ = 100559995704. Its totient is φ = 100551314400.

The previous prime is 100555655041. The next prime is 100555655063. The reversal of 100555655051 is 150556555001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100555655051 - 2¹⁸ = 100555392907 is a prime.

It is a super-2 number, since 2×100555655051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100555654996 and 100555655014.

It is not an unprimeable number, because it can be changed into a prime (100555655041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135390 + ... + 2181971.

It is an arithmetic number, because the mean of its divisors is an integer number (25139998926).

Almost surely, 2^100555655051 is an apocalyptic number.

100555655051 is a deficient number, since it is larger than the sum of its proper divisors (4340653).

100555655051 is an equidigital number, since it uses as much as digits as its factorization.

100555655051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340652.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 100555655051 in words is "one hundred billion, five hundred fifty-five million, six hundred fifty-five thousand, fifty-one".