111004879 has 4 divisors (see below), whose sum is σ = 112568400. Its totient is φ = 109441360.

The previous prime is 111004871. The next prime is 111004891. The reversal of 111004879 is 978400111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978400111 = 13 ⋅75261547.

It is a cyclic number.

It is not a de Polignac number, because 111004879 - 2³ = 111004871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111004879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111004871) 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 3 ways as a sum of consecutive naturals, for example, 781654 + ... + 781795.

It is an arithmetic number, because the mean of its divisors is an integer number (28142100).

Almost surely, 2^111004879 is an apocalyptic number.

111004879 is a deficient number, since it is larger than the sum of its proper divisors (1563521).

111004879 is an equidigital number, since it uses as much as digits as its factorization.

111004879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563520.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 111004879 is about 10535.8852974014. The cubic root of 111004879 is about 480.5965946981.

The spelling of 111004879 in words is "one hundred eleven million, four thousand, eight hundred seventy-nine".