1317266377371 has 96 divisors (see below), whose sum is σ = 2285662279680. Its totient is φ = 715369045248.

The previous prime is 1317266377369. The next prime is 1317266377387. The reversal of 1317266377371 is 1737736627131.

It is a happy number.

1317266377371 is a `hidden beast` number, since 1 + 3 + 1 + 7 + 266 + 3 + 7 + 7 + 371 = 666.

It is not a de Polignac number, because 1317266377371 - 2¹ = 1317266377369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1317266377321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21561550 + ... + 21622556.

It is an arithmetic number, because the mean of its divisors is an integer number (23808982080).

Almost surely, 2^{1317266377371} is an apocalyptic number.

1317266377371 is a deficient number, since it is larger than the sum of its proper divisors (968395902309).

1317266377371 is a wasteful number, since it uses less digits than its factorization.

1317266377371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61273 (or 61270 counting only the distinct ones).

The product of its digits is 4667544, while the sum is 54.

The spelling of 1317266377371 in words is "one trillion, three hundred seventeen billion, two hundred sixty-six million, three hundred seventy-seven thousand, three hundred seventy-one".