111613938 has 16 divisors (see below), whose sum is σ = 223875360. Its totient is φ = 37096736.

The previous prime is 111613933. The next prime is 111613967. The reversal of 111613938 is 839316111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111613899 and 111613908.

It is not an unprimeable number, because it can be changed into a prime (111613933) 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, 24723 + ... + 28886.

It is an arithmetic number, because the mean of its divisors is an integer number (13992210).

Almost surely, 2^111613938 is an apocalyptic number.

111613938 is an abundant number, since it is smaller than the sum of its proper divisors (112261422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111613938 is a wasteful number, since it uses less digits than its factorization.

111613938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53961.

The product of its digits is 3888, while the sum is 33.

The square root of 111613938 is about 10564.7497840697. The cubic root of 111613938 is about 481.4739674227.

The spelling of 111613938 in words is "one hundred eleven million, six hundred thirteen thousand, nine hundred thirty-eight".