113555879 has 2 divisors, whose sum is σ = 113555880. Its totient is φ = 113555878.

The previous prime is 113555791. The next prime is 113555881. The reversal of 113555879 is 978555311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113555879 - 2¹² = 113551783 is a prime.

Together with 113555881, 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 (113555279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56777939 + 56777940.

It is an arithmetic number, because the mean of its divisors is an integer number (56777940).

Almost surely, 2^113555879 is an apocalyptic number.

113555879 is a deficient number, since it is larger than the sum of its proper divisors (1).

113555879 is an equidigital number, since it uses as much as digits as its factorization.

113555879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 44.

The square root of 113555879 is about 10656.2600850392. The cubic root of 113555879 is about 484.2502732564.

The spelling of 113555879 in words is "one hundred thirteen million, five hundred fifty-five thousand, eight hundred seventy-nine".