113555791 has 2 divisors, whose sum is σ = 113555792. Its totient is φ = 113555790.

The previous prime is 113555779. The next prime is 113555879. The reversal of 113555791 is 197555311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113555791 - 2⁹ = 113555279 is a prime.

It is a super-3 number, since 3×113555791³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113555791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113555711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56777895 + 56777896.

It is an arithmetic number, because the mean of its divisors is an integer number (56777896).

Almost surely, 2^113555791 is an apocalyptic number.

113555791 is a deficient number, since it is larger than the sum of its proper divisors (1).

113555791 is an equidigital number, since it uses as much as digits as its factorization.

113555791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23625, while the sum is 37.

The square root of 113555791 is about 10656.2559560101. The cubic root of 113555791 is about 484.2501481666.

The spelling of 113555791 in words is "one hundred thirteen million, five hundred fifty-five thousand, seven hundred ninety-one".