11100100055 has 32 divisors (see below), whose sum is σ = 14657061888. Its totient is φ = 8003059200.

The previous prime is 11100100043. The next prime is 11100100061. The reversal of 11100100055 is 55000100111.

It is not a de Polignac number, because 11100100055 - 2²⁰ = 11099051479 is a prime.

It is a super-2 number, since 2×11100100055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3975710 + ... + 3978500.

It is an arithmetic number, because the mean of its divisors is an integer number (458033184).

Almost surely, 2^11100100055 is an apocalyptic number.

11100100055 is a deficient number, since it is larger than the sum of its proper divisors (3556961833).

11100100055 is a wasteful number, since it uses less digits than its factorization.

11100100055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 11100100055 its reverse (55000100111), we get a palindrome (66100200166).

The spelling of 11100100055 in words is "eleven billion, one hundred million, one hundred thousand, fifty-five".