111912053 has 12 divisors (see below), whose sum is σ = 123721920. Its totient is φ = 101150280.

The previous prime is 111911981. The next prime is 111912091. The reversal of 111912053 is 350219111.

It is a de Polignac number, because none of the positive numbers 2^k-111912053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111917053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19076 + ... + 24242.

It is an arithmetic number, because the mean of its divisors is an integer number (10310160).

Almost surely, 2^111912053 is an apocalyptic number.

It is an amenable number.

111912053 is a deficient number, since it is larger than the sum of its proper divisors (11809867).

111912053 is a wasteful number, since it uses less digits than its factorization.

111912053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368 (or 5357 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 111912053 is about 10578.8493230597. The cubic root of 111912053 is about 481.9022502832.

The spelling of 111912053 in words is "one hundred eleven million, nine hundred twelve thousand, fifty-three".