111388239316 has 12 divisors (see below), whose sum is σ = 197599685332. Its totient is φ = 54931186368.

The previous prime is 111388239247. The next prime is 111388239317. The reversal of 111388239316 is 613932883111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51686203716 + 59702035600 = 227346^2 + 244340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111388239317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190732995 + ... + 190733578.

Almost surely, 2^111388239316 is an apocalyptic number.

It is an amenable number.

111388239316 is a deficient number, since it is larger than the sum of its proper divisors (86211446016).

111388239316 is a wasteful number, since it uses less digits than its factorization.

111388239316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381466650 (or 381466648 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The spelling of 111388239316 in words is "one hundred eleven billion, three hundred eighty-eight million, two hundred thirty-nine thousand, three hundred sixteen".