1317959890026 has 32 divisors (see below), whose sum is σ = 2838781877568. Its totient is φ = 405511971840.

The previous prime is 1317959890003. The next prime is 1317959890031. The reversal of 1317959890026 is 6200989597131.

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, 2076810 + ... + 2636106.

It is an arithmetic number, because the mean of its divisors is an integer number (88711933674).

Almost surely, 2^{1317959890026} is an apocalyptic number.

1317959890026 is an abundant number, since it is smaller than the sum of its proper divisors (1520821987542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1317959890026 is a wasteful number, since it uses less digits than its factorization.

1317959890026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589526.

The product of its (nonzero) digits is 7348320, while the sum is 60.

The spelling of 1317959890026 in words is "one trillion, three hundred seventeen billion, nine hundred fifty-nine million, eight hundred ninety thousand, twenty-six".