111913673 has 4 divisors (see below), whose sum is σ = 113171220. Its totient is φ = 110656128.

The previous prime is 111913663. The next prime is 111913709. The reversal of 111913673 is 376319111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8952064 + 102961609 = 2992^2 + 10147^2 .

It is a cyclic number.

It is not a de Polignac number, because 111913673 - 2⁴ = 111913657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111913603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628640 + ... + 628817.

It is an arithmetic number, because the mean of its divisors is an integer number (28292805).

Almost surely, 2^111913673 is an apocalyptic number.

It is an amenable number.

111913673 is a deficient number, since it is larger than the sum of its proper divisors (1257547).

111913673 is an equidigital number, since it uses as much as digits as its factorization.

111913673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257546.

The product of its digits is 3402, while the sum is 32.

The square root of 111913673 is about 10578.9258906564. The cubic root of 111913673 is about 481.9045755552.

The spelling of 111913673 in words is "one hundred eleven million, nine hundred thirteen thousand, six hundred seventy-three".