111104132013 has 12 divisors (see below), whose sum is σ = 183409995808. Its totient is φ = 63488075400.

The previous prime is 111104131921. The next prime is 111104132017. The reversal of 111104132013 is 310231401111.

It is a happy number.

It is not a de Polignac number, because 111104132013 - 2²⁰ = 111103083437 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 (111104132017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881778763 + ... + 881778888.

Almost surely, 2^111104132013 is an apocalyptic number.

It is an amenable number.

111104132013 is a deficient number, since it is larger than the sum of its proper divisors (72305863795).

111104132013 is a wasteful number, since it uses less digits than its factorization.

111104132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763557664 (or 1763557661 counting only the distinct ones).

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

Adding to 111104132013 its reverse (310231401111), we get a palindrome (421335533124).

The spelling of 111104132013 in words is "one hundred eleven billion, one hundred four million, one hundred thirty-two thousand, thirteen".