111936479 has 2 divisors, whose sum is σ = 111936480. Its totient is φ = 111936478.

The previous prime is 111936427. The next prime is 111936481. The reversal of 111936479 is 974639111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111936479 - 2²⁴ = 95159263 is a prime.

It is a Sophie Germain prime.

Together with 111936481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111936499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55968239 + 55968240.

It is an arithmetic number, because the mean of its divisors is an integer number (55968240).

Almost surely, 2^111936479 is an apocalyptic number.

111936479 is a deficient number, since it is larger than the sum of its proper divisors (1).

111936479 is an equidigital number, since it uses as much as digits as its factorization.

111936479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 41.

The square root of 111936479 is about 10580.0037334587. The cubic root of 111936479 is about 481.9373078359.

The spelling of 111936479 in words is "one hundred eleven million, nine hundred thirty-six thousand, four hundred seventy-nine".