111605102434 has 32 divisors (see below), whose sum is σ = 201077775360. Its totient is φ = 45421996752.

The previous prime is 111605102431. The next prime is 111605102471. The reversal of 111605102434 is 434201506111.

111605102434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111605102431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202004 + ... + 1291519.

It is an arithmetic number, because the mean of its divisors is an integer number (6283680480).

Almost surely, 2^111605102434 is an apocalyptic number.

111605102434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111605102434 is a deficient number, since it is larger than the sum of its proper divisors (89472672926).

111605102434 is a wasteful number, since it uses less digits than its factorization.

111605102434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493694.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 111605102434 its reverse (434201506111), we get a palindrome (545806608545).

The spelling of 111605102434 in words is "one hundred eleven billion, six hundred five million, one hundred two thousand, four hundred thirty-four".