115715400451505 has 32 divisors (see below), whose sum is σ = 139644628231680. Its totient is φ = 92049545871360.

The previous prime is 115715400451481. The next prime is 115715400451513. The reversal of 115715400451505 is 505154004517511.

It is not a de Polignac number, because 115715400451505 - 2²⁰ = 115715399402929 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6743706116 + ... + 6743723274.

It is an arithmetic number, because the mean of its divisors is an integer number (4363894632240).

Almost surely, 2^{115715400451505} is an apocalyptic number.

It is an amenable number.

115715400451505 is a deficient number, since it is larger than the sum of its proper divisors (23929227780175).

115715400451505 is a wasteful number, since it uses less digits than its factorization.

115715400451505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26369.

The product of its (nonzero) digits is 350000, while the sum is 44.

The spelling of 115715400451505 in words is "one hundred fifteen trillion, seven hundred fifteen billion, four hundred million, four hundred fifty-one thousand, five hundred five".