550115500111 has 4 divisors (see below), whose sum is σ = 550456552872. Its totient is φ = 549774447352.

The previous prime is 550115500079. The next prime is 550115500133. The reversal of 550115500111 is 111005511055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111005511055 = 5 ⋅22201102211.

It is a cyclic number.

It is not a de Polignac number, because 550115500111 - 2⁵ = 550115500079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550115500411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170523961 + ... + 170527186.

It is an arithmetic number, because the mean of its divisors is an integer number (137614138218).

Almost surely, 2^550115500111 is an apocalyptic number.

550115500111 is a deficient number, since it is larger than the sum of its proper divisors (341052761).

550115500111 is a wasteful number, since it uses less digits than its factorization.

550115500111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341052760.

The product of its (nonzero) digits is 625, while the sum is 25.

The spelling of 550115500111 in words is "five hundred fifty billion, one hundred fifteen million, five hundred thousand, one hundred eleven".