1276550849317 has 16 divisors (see below), whose sum is σ = 1314622766592. Its totient is φ = 1239059107440.

The previous prime is 1276550849213. The next prime is 1276550849339. The reversal of 1276550849317 is 7139480556721.

It is a cyclic number.

It is not a de Polignac number, because 1276550849317 - 2¹⁵ = 1276550816549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276550849347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8118438 + ... + 8274184.

It is an arithmetic number, because the mean of its divisors is an integer number (82163922912).

It is a 1-persistent number, because it is pandigital, but 2⋅1276550849317 = 2553101698634 is not.

Almost surely, 2^{1276550849317} is an apocalyptic number.

It is an amenable number.

1276550849317 is a deficient number, since it is larger than the sum of its proper divisors (38071917275).

1276550849317 is a wasteful number, since it uses less digits than its factorization.

1276550849317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157608.

The product of its (nonzero) digits is 12700800, while the sum is 58.

The spelling of 1276550849317 in words is "one trillion, two hundred seventy-six billion, five hundred fifty million, eight hundred forty-nine thousand, three hundred seventeen".