55560111555 has 32 divisors (see below), whose sum is σ = 95833672704. Its totient is φ = 27324291456.

The previous prime is 55560111547. The next prime is 55560111623. The reversal of 55560111555 is 55511106555.

55560111555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55560111555 - 2³ = 55560111547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41242 + ... + 335888.

It is an arithmetic number, because the mean of its divisors is an integer number (2994802272).

Almost surely, 2^55560111555 is an apocalyptic number.

55560111555 is a deficient number, since it is larger than the sum of its proper divisors (40273561149).

55560111555 is a wasteful number, since it uses less digits than its factorization.

55560111555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295635.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 55560111555 in words is "fifty-five billion, five hundred sixty million, one hundred eleven thousand, five hundred fifty-five".