100055555501 has 32 divisors (see below), whose sum is σ = 114641395200. Its totient is φ = 86486400000.

The previous prime is 100055555491. The next prime is 100055555503. The reversal of 100055555501 is 105555550001.

It is not a de Polignac number, because 100055555501 - 2¹⁴ = 100055539117 is a prime.

It is a super-2 number, since 2×100055555501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100055555503) 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, 10100651 + ... + 10110551.

It is an arithmetic number, because the mean of its divisors is an integer number (3582543600).

Almost surely, 2^100055555501 is an apocalyptic number.

100055555501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100055555501 is a deficient number, since it is larger than the sum of its proper divisors (14585839699).

100055555501 is a wasteful number, since it uses less digits than its factorization.

100055555501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421.

The product of its (nonzero) digits is 15625, while the sum is 32.

It can be divided in two parts, 100055 and 555501, that added together give a palindrome (655556).

The spelling of 100055555501 in words is "one hundred billion, fifty-five million, five hundred fifty-five thousand, five hundred one".