111354879 has 12 divisors (see below), whose sum is σ = 157721864. Its totient is φ = 69869184.

The previous prime is 111354869. The next prime is 111354899. The reversal of 111354879 is 978453111.

It is not a de Polignac number, because 111354879 - 2⁴ = 111354863 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 (111354869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63352 + ... + 65085.

Almost surely, 2^111354879 is an apocalyptic number.

111354879 is a deficient number, since it is larger than the sum of its proper divisors (46366985).

111354879 is a wasteful number, since it uses less digits than its factorization.

111354879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128474 (or 128457 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 111354879 is about 10552.4821250737. The cubic root of 111354879 is about 481.1011741076.

The spelling of 111354879 in words is "one hundred eleven million, three hundred fifty-four thousand, eight hundred seventy-nine".