11100560605555 has 4 divisors (see below), whose sum is σ = 13320672726672. Its totient is φ = 8880448484440.

The previous prime is 11100560605523. The next prime is 11100560605567. The reversal of 11100560605555 is 55550606500111.

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

It is not a de Polignac number, because 11100560605555 - 2⁵ = 11100560605523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110056060551 + ... + 1110056060560.

It is an arithmetic number, because the mean of its divisors is an integer number (3330168181668).

Almost surely, 2^{11100560605555} is an apocalyptic number.

11100560605555 is a deficient number, since it is larger than the sum of its proper divisors (2220112121117).

11100560605555 is an equidigital number, since it uses as much as digits as its factorization.

11100560605555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220112121116.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 11100560605555 in words is "eleven trillion, one hundred billion, five hundred sixty million, six hundred five thousand, five hundred fifty-five".