115442320405 has 16 divisors (see below), whose sum is σ = 140596992000. Its totient is φ = 90981596160.

The previous prime is 115442320333. The next prime is 115442320439. The reversal of 115442320405 is 504023244511.

It is not a de Polignac number, because 115442320405 - 2²³ = 115433931797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148101 + ... + 502810.

It is an arithmetic number, because the mean of its divisors is an integer number (8787312000).

Almost surely, 2^115442320405 is an apocalyptic number.

It is an amenable number.

115442320405 is a deficient number, since it is larger than the sum of its proper divisors (25154671595).

115442320405 is an equidigital number, since it uses as much as digits as its factorization.

115442320405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651444.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 115442320405 its reverse (504023244511), we get a palindrome (619465564916).

The spelling of 115442320405 in words is "one hundred fifteen billion, four hundred forty-two million, three hundred twenty thousand, four hundred five".