111909964 has 6 divisors (see below), whose sum is σ = 195842444. Its totient is φ = 55954980.

The previous prime is 111909953. The next prime is 111909989. The reversal of 111909964 is 469909111.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13988742 + ... + 13988749.

Almost surely, 2^111909964 is an apocalyptic number.

It is an amenable number.

111909964 is a deficient number, since it is larger than the sum of its proper divisors (83932480).

111909964 is a wasteful number, since it uses less digits than its factorization.

111909964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27977495 (or 27977493 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 111909964 is about 10578.7505878530. The cubic root of 111909964 is about 481.8992517975.

The spelling of 111909964 in words is "one hundred eleven million, nine hundred nine thousand, nine hundred sixty-four".