115858403 has 4 divisors (see below), whose sum is σ = 116127648. Its totient is φ = 115589160.

The previous prime is 115858387. The next prime is 115858441. The reversal of 115858403 is 304858511.

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 115858403 - 2⁴ = 115858387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115858453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133976 + ... + 134837.

It is an arithmetic number, because the mean of its divisors is an integer number (29031912).

Almost surely, 2^115858403 is an apocalyptic number.

115858403 is a deficient number, since it is larger than the sum of its proper divisors (269245).

115858403 is an equidigital number, since it uses as much as digits as its factorization.

115858403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269244.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 115858403 is about 10763.7541313428. The cubic root of 115858403 is about 487.5013761083.

The spelling of 115858403 in words is "one hundred fifteen million, eight hundred fifty-eight thousand, four hundred three".