12308065615 has 16 divisors (see below), whose sum is σ = 14968895328. Its totient is φ = 9714525696.

The previous prime is 12308065573. The next prime is 12308065661. The reversal of 12308065615 is 51656080321.

It is a cyclic number.

It is not a de Polignac number, because 12308065615 - 2²¹ = 12305968463 is a prime.

It is a Duffinian number.

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, 56539 + ... + 166771.

It is an arithmetic number, because the mean of its divisors is an integer number (935555958).

Almost surely, 2^12308065615 is an apocalyptic number.

12308065615 is a deficient number, since it is larger than the sum of its proper divisors (2660829713).

12308065615 is a wasteful number, since it uses less digits than its factorization.

12308065615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110538.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 12308065615 in words is "twelve billion, three hundred eight million, sixty-five thousand, six hundred fifteen".