111311012411 has 16 divisors (see below), whose sum is σ = 116102937600. Its totient is φ = 106635947328.

The previous prime is 111311012399. The next prime is 111311012413. The reversal of 111311012411 is 114210113111.

It is a cyclic number.

It is not a de Polignac number, because 111311012411 - 2⁶ = 111311012347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111311012411.

It is not an unprimeable number, because it can be changed into a prime (111311012413) 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, 559970 + ... + 732248.

It is an arithmetic number, because the mean of its divisors is an integer number (7256433600).

Almost surely, 2^111311012411 is an apocalyptic number.

111311012411 is a deficient number, since it is larger than the sum of its proper divisors (4791925189).

111311012411 is a wasteful number, since it uses less digits than its factorization.

111311012411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172618.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111311012411 its reverse (114210113111), we get a palindrome (225521125522).

The spelling of 111311012411 in words is "one hundred eleven billion, three hundred eleven million, twelve thousand, four hundred eleven".