12615365215 has 16 divisors (see below), whose sum is σ = 15730292736. Its totient is φ = 9702036000.

The previous prime is 12615365209. The next prime is 12615365261. The reversal of 12615365215 is 51256351621.

It is a happy number.

It is not a de Polignac number, because 12615365215 - 2¹³ = 12615357023 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, 246097 + ... + 292906.

It is an arithmetic number, because the mean of its divisors is an integer number (983143296).

Almost surely, 2^12615365215 is an apocalyptic number.

12615365215 is a deficient number, since it is larger than the sum of its proper divisors (3114927521).

12615365215 is a wasteful number, since it uses less digits than its factorization.

12615365215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539190.

The product of its digits is 54000, while the sum is 37.

The spelling of 12615365215 in words is "twelve billion, six hundred fifteen million, three hundred sixty-five thousand, two hundred fifteen".