1317204379355 has 16 divisors (see below), whose sum is σ = 1618449016800. Its totient is φ = 1028592649728.

The previous prime is 1317204379349. The next prime is 1317204379369. The reversal of 1317204379355 is 5539734027131.

It is not a de Polignac number, because 1317204379355 - 2¹⁰ = 1317204378331 is a prime.

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, 1644542 + ... + 2310611.

It is an arithmetic number, because the mean of its divisors is an integer number (101153063550).

Almost surely, 2^{1317204379355} is an apocalyptic number.

1317204379355 is a deficient number, since it is larger than the sum of its proper divisors (301244637445).

1317204379355 is a wasteful number, since it uses less digits than its factorization.

1317204379355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956750.

The product of its (nonzero) digits is 2381400, while the sum is 50.

The spelling of 1317204379355 in words is "one trillion, three hundred seventeen billion, two hundred four million, three hundred seventy-nine thousand, three hundred fifty-five".