11031234111 has 24 divisors (see below), whose sum is σ = 16945575920. Its totient is φ = 6895259136.

The previous prime is 11031234103. The next prime is 11031234113. The reversal of 11031234111 is 11143213011.

It is a happy number.

11031234111 is a `hidden beast` number, since 1 + 1 + 0 + 312 + 341 + 11 = 666.

It is not a de Polignac number, because 11031234111 - 2³ = 11031234103 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 (11031234113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315940 + ... + 349113.

Almost surely, 2^11031234111 is an apocalyptic number.

11031234111 is a deficient number, since it is larger than the sum of its proper divisors (5914341809).

11031234111 is a wasteful number, since it uses less digits than its factorization.

11031234111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665175 (or 665172 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11031234111 its reverse (11143213011), we get a palindrome (22174447122).

The spelling of 11031234111 in words is "eleven billion, thirty-one million, two hundred thirty-four thousand, one hundred eleven".