111313612135 has 32 divisors (see below), whose sum is σ = 155330841600. Its totient is φ = 75723672960.

The previous prime is 111313612117. The next prime is 111313612139. The reversal of 111313612135 is 531216313111.

It is not a de Polignac number, because 111313612135 - 2¹¹ = 111313610087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111313612139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591624 + ... + 756733.

It is an arithmetic number, because the mean of its divisors is an integer number (4854088800).

Almost surely, 2^111313612135 is an apocalyptic number.

111313612135 is a deficient number, since it is larger than the sum of its proper divisors (44017229465).

111313612135 is a wasteful number, since it uses less digits than its factorization.

111313612135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348471.

The product of its digits is 1620, while the sum is 28.

Adding to 111313612135 its reverse (531216313111), we get a palindrome (642529925246).

The spelling of 111313612135 in words is "one hundred eleven billion, three hundred thirteen million, six hundred twelve thousand, one hundred thirty-five".