113240999489 has 2 divisors, whose sum is σ = 113240999490. Its totient is φ = 113240999488.

The previous prime is 113240999483. The next prime is 113240999497. The reversal of 113240999489 is 984999042311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92960961025 + 20280038464 = 304895^2 + 142408^2 .

It is an emirp because it is prime and its reverse (984999042311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113240999489 - 2²⁰ = 113239950913 is a prime.

It is a super-2 number, since 2×113240999489² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (113240999483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56620499744 + 56620499745.

It is an arithmetic number, because the mean of its divisors is an integer number (56620499745).

Almost surely, 2^113240999489 is an apocalyptic number.

It is an amenable number.

113240999489 is a deficient number, since it is larger than the sum of its proper divisors (1).

113240999489 is an equidigital number, since it uses as much as digits as its factorization.

113240999489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 113240999489 in words is "one hundred thirteen billion, two hundred forty million, nine hundred ninety-nine thousand, four hundred eighty-nine".