1317407276280 has 64 divisors (see below), whose sum is σ = 3983341731840. Its totient is φ = 348542393472.

The previous prime is 1317407276279. The next prime is 1317407276287. The reversal of 1317407276280 is 826727047131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317407276287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43206784 + ... + 43237263.

It is an arithmetic number, because the mean of its divisors is an integer number (62239714560).

Almost surely, 2^{1317407276280} is an apocalyptic number.

1317407276280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1317407276280 is an abundant number, since it is smaller than the sum of its proper divisors (2665934455560).

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

1317407276280 is a wasteful number, since it uses less digits than its factorization.

1317407276280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86444188 (or 86444184 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 1317407276280 in words is "one trillion, three hundred seventeen billion, four hundred seven million, two hundred seventy-six thousand, two hundred eighty".