111660104 has 8 divisors (see below), whose sum is σ = 209362710. Its totient is φ = 55830048.

The previous prime is 111660103. The next prime is 111660139. The reversal of 111660104 is 401066111.

It can be written as a sum of positive squares in only one way, i.e., 111302500 + 357604 = 10550^2 + 598^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111660103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6978749 + ... + 6978764.

Almost surely, 2^111660104 is an apocalyptic number.

It is an amenable number.

111660104 is a deficient number, since it is larger than the sum of its proper divisors (97702606).

111660104 is a wasteful number, since it uses less digits than its factorization.

111660104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13957519 (or 13957515 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 111660104 is about 10566.9344655865. The cubic root of 111660104 is about 481.5403410425.

The spelling of 111660104 in words is "one hundred eleven million, six hundred sixty thousand, one hundred four".