1275265151515 has 16 divisors (see below), whose sum is σ = 1592447788800. Its totient is φ = 979596650592.

The previous prime is 1275265151507. The next prime is 1275265151569. The reversal of 1275265151515 is 5151515625721.

It is a cyclic number.

It is not a de Polignac number, because 1275265151515 - 2³ = 1275265151507 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50253975 + ... + 50279344.

It is an arithmetic number, because the mean of its divisors is an integer number (99527986800).

Almost surely, 2^{1275265151515} is an apocalyptic number.

1275265151515 is a deficient number, since it is larger than the sum of its proper divisors (317182637285).

1275265151515 is a wasteful number, since it uses less digits than its factorization.

1275265151515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100533426.

The product of its digits is 525000, while the sum is 46.

The spelling of 1275265151515 in words is "one trillion, two hundred seventy-five billion, two hundred sixty-five million, one hundred fifty-one thousand, five hundred fifteen".