100611055555 has 4 divisors (see below), whose sum is σ = 120733266672. Its totient is φ = 80488844440.

The previous prime is 100611055507. The next prime is 100611055561. The reversal of 100611055555 is 555550116001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555550116001 = 260671 ⋅2131231.

It is not a de Polignac number, because 100611055555 - 2⁹ = 100611055043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100611055555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10061105551 + ... + 10061105560.

It is an arithmetic number, because the mean of its divisors is an integer number (30183316668).

Almost surely, 2^100611055555 is an apocalyptic number.

100611055555 is a deficient number, since it is larger than the sum of its proper divisors (20122211117).

100611055555 is an equidigital number, since it uses as much as digits as its factorization.

100611055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20122211116.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 100611055555 in words is "one hundred billion, six hundred eleven million, fifty-five thousand, five hundred fifty-five".