1326939457015 has 16 divisors (see below), whose sum is σ = 1601046738720. Its totient is φ = 1055752467840.

The previous prime is 1326939457007. The next prime is 1326939457069. The reversal of 1326939457015 is 5107549396231.

It is not a de Polignac number, because 1326939457015 - 2³ = 1326939457007 is a prime.

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, 95904 + ... + 1631893.

It is an arithmetic number, because the mean of its divisors is an integer number (100065421170).

Almost surely, 2^{1326939457015} is an apocalyptic number.

1326939457015 is a deficient number, since it is larger than the sum of its proper divisors (274107281705).

1326939457015 is a wasteful number, since it uses less digits than its factorization.

1326939457015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728642.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 1326939457015 in words is "one trillion, three hundred twenty-six billion, nine hundred thirty-nine million, four hundred fifty-seven thousand, fifteen".