111141608 has 8 divisors (see below), whose sum is σ = 208390530. Its totient is φ = 55570800.

The previous prime is 111141593. The next prime is 111141617. The reversal of 111141608 is 806141111.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 36457444 = 8642^2 + 6038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6946343 + ... + 6946358.

Almost surely, 2^111141608 is an apocalyptic number.

It is an amenable number.

111141608 is a deficient number, since it is larger than the sum of its proper divisors (97248922).

111141608 is a wasteful number, since it uses less digits than its factorization.

111141608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892707 (or 13892703 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 111141608 is about 10542.3720291024. The cubic root of 111141608 is about 480.7938368705.

Adding to 111141608 its reverse (806141111), we get a palindrome (917282719).

The spelling of 111141608 in words is "one hundred eleven million, one hundred forty-one thousand, six hundred eight".