1276252500275 has 12 divisors (see below), whose sum is σ = 1665845369400. Its totient is φ = 967265052480.

The previous prime is 1276252500247. The next prime is 1276252500277. The reversal of 1276252500275 is 5720052526721.

It is a happy number.

It is not a de Polignac number, because 1276252500275 - 2¹⁰ = 1276252499251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1276252500277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1343423210 + ... + 1343424159.

It is an arithmetic number, because the mean of its divisors is an integer number (138820447450).

Almost surely, 2^{1276252500275} is an apocalyptic number.

1276252500275 is a deficient number, since it is larger than the sum of its proper divisors (389592869125).

1276252500275 is a wasteful number, since it uses less digits than its factorization.

1276252500275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686847398 (or 2686847393 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 1276252500275 in words is "one trillion, two hundred seventy-six billion, two hundred fifty-two million, five hundred thousand, two hundred seventy-five".