1276550849316 has 48 divisors (see below), whose sum is σ = 3081451443840. Its totient is φ = 410827710720.

The previous prime is 1276550849213. The next prime is 1276550849339. The reversal of 1276550849316 is 6139480556721.

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, 11304976 + ... + 11417336.

It is an arithmetic number, because the mean of its divisors is an integer number (64196905080).

It is a 1-persistent number, because it is pandigital, but 2⋅1276550849316 = 2553101698632 is not.

Almost surely, 2^{1276550849316} is an apocalyptic number.

It is an amenable number.

1276550849316 is an abundant number, since it is smaller than the sum of its proper divisors (1804900594524).

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

1276550849316 is a wasteful number, since it uses less digits than its factorization.

1276550849316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145044 (or 145042 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 1276550849316 in words is "one trillion, two hundred seventy-six billion, five hundred fifty million, eight hundred forty-nine thousand, three hundred sixteen".