111564352113 has 12 divisors (see below), whose sum is σ = 150877103664. Its totient is φ = 73328672200.

The previous prime is 111564352111. The next prime is 111564352153. The reversal of 111564352113 is 311253465111.

It is a happy number.

It is not a de Polignac number, because 111564352113 - 2¹ = 111564352111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111564352111) 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, 3673443 + ... + 3703688.

It is an arithmetic number, because the mean of its divisors is an integer number (12573091972).

Almost surely, 2^111564352113 is an apocalyptic number.

It is an amenable number.

111564352113 is a deficient number, since it is larger than the sum of its proper divisors (39312751551).

111564352113 is an frugal number, since it uses more digits than its factorization.

111564352113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377276 (or 7377205 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The spelling of 111564352113 in words is "one hundred eleven billion, five hundred sixty-four million, three hundred fifty-two thousand, one hundred thirteen".