111346520311 has 16 divisors (see below), whose sum is σ = 125760406464. Its totient is φ = 97813545984.

The previous prime is 111346520291. The next prime is 111346520333. The reversal of 111346520311 is 113025643111.

It is a cyclic number.

It is not a de Polignac number, because 111346520311 - 2¹¹ = 111346518263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111346520311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111346520011) 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, 886266 + ... + 1004071.

It is an arithmetic number, because the mean of its divisors is an integer number (7860025404).

Almost surely, 2^111346520311 is an apocalyptic number.

111346520311 is a deficient number, since it is larger than the sum of its proper divisors (14413886153).

111346520311 is a wasteful number, since it uses less digits than its factorization.

111346520311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890570.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 111346520311 in words is "one hundred eleven billion, three hundred forty-six million, five hundred twenty thousand, three hundred eleven".