1555112200055 has 16 divisors (see below), whose sum is σ = 1912128682464. Its totient is φ = 1213442257920.

The previous prime is 1555112200021. The next prime is 1555112200069. The reversal of 1555112200055 is 5500022115551.

It is not a de Polignac number, because 1555112200055 - 2²⁶ = 1555045091191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1555112199994 and 1555112200030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126914 + ... + 1768143.

It is an arithmetic number, because the mean of its divisors is an integer number (119508042654).

Almost surely, 2^{1555112200055} is an apocalyptic number.

1555112200055 is a deficient number, since it is larger than the sum of its proper divisors (357016482409).

1555112200055 is a wasteful number, since it uses less digits than its factorization.

1555112200055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899106.

The product of its (nonzero) digits is 12500, while the sum is 32.

The spelling of 1555112200055 in words is "one trillion, five hundred fifty-five billion, one hundred twelve million, two hundred thousand, fifty-five".