113989431499 has 2 divisors, whose sum is σ = 113989431500. Its totient is φ = 113989431498.

The previous prime is 113989431463. The next prime is 113989431511. The reversal of 113989431499 is 994134989311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113989431499 - 2⁷ = 113989431371 is a prime.

It is not a weakly prime, because it can be changed into another prime (113989431419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56994715749 + 56994715750.

It is an arithmetic number, because the mean of its divisors is an integer number (56994715750).

Almost surely, 2^113989431499 is an apocalyptic number.

113989431499 is a deficient number, since it is larger than the sum of its proper divisors (1).

113989431499 is an equidigital number, since it uses as much as digits as its factorization.

113989431499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 61.

The spelling of 113989431499 in words is "one hundred thirteen billion, nine hundred eighty-nine million, four hundred thirty-one thousand, four hundred ninety-nine".