113411509 has 2 divisors, whose sum is σ = 113411510. Its totient is φ = 113411508.

The previous prime is 113411497. The next prime is 113411533. The reversal of 113411509 is 905114311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113358609 + 52900 = 10647^2 + 230^2 .

It is an emirp because it is prime and its reverse (905114311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113411509 - 2²³ = 105022901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113415509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56705754 + 56705755.

It is an arithmetic number, because the mean of its divisors is an integer number (56705755).

Almost surely, 2^113411509 is an apocalyptic number.

It is an amenable number.

113411509 is a deficient number, since it is larger than the sum of its proper divisors (1).

113411509 is an equidigital number, since it uses as much as digits as its factorization.

113411509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 113411509 is about 10649.4839781090. The cubic root of 113411509 is about 484.0449679891.

The spelling of 113411509 in words is "one hundred thirteen million, four hundred eleven thousand, five hundred nine".