115223403505 has 128 divisors (see below), whose sum is σ = 175299379200. Its totient is φ = 70920105984.

The previous prime is 115223403467. The next prime is 115223403509. The reversal of 115223403505 is 505304322511.

It is not a de Polignac number, because 115223403505 - 2⁷ = 115223403377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115223403509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 220312174 + ... + 220312696.

It is an arithmetic number, because the mean of its divisors is an integer number (1369526400).

Almost surely, 2^115223403505 is an apocalyptic number.

It is an amenable number.

115223403505 is a deficient number, since it is larger than the sum of its proper divisors (60075975695).

115223403505 is a wasteful number, since it uses less digits than its factorization.

115223403505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 115223403505 in words is "one hundred fifteen billion, two hundred twenty-three million, four hundred three thousand, five hundred five".