115420663 has 4 divisors (see below), whose sum is σ = 115462008. Its totient is φ = 115379320.

The previous prime is 115420639. The next prime is 115420681. The reversal of 115420663 is 366024511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115420663 - 2⁵ = 115420631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115420603) 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 in 3 ways as a sum of consecutive naturals, for example, 16156 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (28865502).

Almost surely, 2^115420663 is an apocalyptic number.

115420663 is a deficient number, since it is larger than the sum of its proper divisors (41345).

115420663 is an equidigital number, since it uses as much as digits as its factorization.

115420663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41344.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 115420663 is about 10743.4009047415. The cubic root of 115420663 is about 486.8866367103.

The spelling of 115420663 in words is "one hundred fifteen million, four hundred twenty thousand, six hundred sixty-three".