111025042345 has 32 divisors (see below), whose sum is σ = 154030118400. Its totient is φ = 75250406400.

The previous prime is 111025042333. The next prime is 111025042367. The reversal of 111025042345 is 543240520111.

It is not a de Polignac number, because 111025042345 - 2¹⁵ = 111025009577 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, 2091249 + ... + 2143681.

It is an arithmetic number, because the mean of its divisors is an integer number (4813441200).

Almost surely, 2^111025042345 is an apocalyptic number.

It is an amenable number.

111025042345 is a deficient number, since it is larger than the sum of its proper divisors (43005076055).

111025042345 is a wasteful number, since it uses less digits than its factorization.

111025042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53145.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 111025042345 its reverse (543240520111), we get a palindrome (654265562456).

The spelling of 111025042345 in words is "one hundred eleven billion, twenty-five million, forty-two thousand, three hundred forty-five".