12665026290415 has 16 divisors (see below), whose sum is σ = 16093061179488. Its totient is φ = 9535410743296.

The previous prime is 12665026290403. The next prime is 12665026290431. The reversal of 12665026290415 is 51409262056621.

It is a cyclic number.

It is not a de Polignac number, because 12665026290415 - 2⁵ = 12665026290383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3417322 + ... + 6083431.

It is an arithmetic number, because the mean of its divisors is an integer number (1005816323718).

Almost surely, 2^{12665026290415} is an apocalyptic number.

12665026290415 is a deficient number, since it is larger than the sum of its proper divisors (3428034889073).

12665026290415 is a wasteful number, since it uses less digits than its factorization.

12665026290415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516458.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 12665026290415 in words is "twelve trillion, six hundred sixty-five billion, twenty-six million, two hundred ninety thousand, four hundred fifteen".