11231660111 has 8 divisors (see below), whose sum is σ = 12836863104. Its totient is φ = 9626627160.

The previous prime is 11231660093. The next prime is 11231660119. The reversal of 11231660111 is 11106613211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11231660111 - 2²⁶ = 11164551247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231660119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169616 + ... + 226346.

It is an arithmetic number, because the mean of its divisors is an integer number (1604607888).

Almost surely, 2^11231660111 is an apocalyptic number.

11231660111 is a deficient number, since it is larger than the sum of its proper divisors (1605202993).

11231660111 is an equidigital number, since it uses as much as digits as its factorization.

11231660111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85021.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11231660111 in words is "eleven billion, two hundred thirty-one million, six hundred sixty thousand, one hundred eleven".