111523312311 has 32 divisors (see below), whose sum is σ = 157477245120. Its totient is φ = 70100352000.

The previous prime is 111523312301. The next prime is 111523312319. The reversal of 111523312311 is 113213325111.

It is not a de Polignac number, because 111523312311 - 2⁵ = 111523312279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111523312319) 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, 554521 + ... + 728381.

It is an arithmetic number, because the mean of its divisors is an integer number (4921163910).

Almost surely, 2^111523312311 is an apocalyptic number.

111523312311 is a deficient number, since it is larger than the sum of its proper divisors (45953932809).

111523312311 is a wasteful number, since it uses less digits than its factorization.

111523312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174067.

The product of its digits is 540, while the sum is 24.

Adding to 111523312311 its reverse (113213325111), we get a palindrome (224736637422).

The spelling of 111523312311 in words is "one hundred eleven billion, five hundred twenty-three million, three hundred twelve thousand, three hundred eleven".