115363639 has 2 divisors, whose sum is σ = 115363640. Its totient is φ = 115363638.

The previous prime is 115363637. The next prime is 115363643. The reversal of 115363639 is 936363511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115363639 - 2¹ = 115363637 is a prime.

Together with 115363637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 115363598 and 115363607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115363631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57681819 + 57681820.

It is an arithmetic number, because the mean of its divisors is an integer number (57681820).

Almost surely, 2^115363639 is an apocalyptic number.

115363639 is a deficient number, since it is larger than the sum of its proper divisors (1).

115363639 is an equidigital number, since it uses as much as digits as its factorization.

115363639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 37.

The square root of 115363639 is about 10740.7466686446. The cubic root of 115363639 is about 486.8064407949.

The spelling of 115363639 in words is "one hundred fifteen million, three hundred sixty-three thousand, six hundred thirty-nine".