111103400145 has 32 divisors (see below), whose sum is σ = 185532809472. Its totient is φ = 56667091712.

The previous prime is 111103400117. The next prime is 111103400153. The reversal of 111103400145 is 541004301111.

It is a cyclic number.

It is not a de Polignac number, because 111103400145 - 2⁵ = 111103400113 is a prime.

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, 1776019 + ... + 1837511.

It is an arithmetic number, because the mean of its divisors is an integer number (5797900296).

Almost surely, 2^111103400145 is an apocalyptic number.

111103400145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111103400145 is a deficient number, since it is larger than the sum of its proper divisors (74429409327).

111103400145 is a wasteful number, since it uses less digits than its factorization.

111103400145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66761.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 111103400145 its reverse (541004301111), we get a palindrome (652107701256).

The spelling of 111103400145 in words is "one hundred eleven billion, one hundred three million, four hundred thousand, one hundred forty-five".