1275036427266 has 64 divisors (see below), whose sum is σ = 3015719009280. Its totient is φ = 351634489920.

The previous prime is 1275036427213. The next prime is 1275036427283. The reversal of 1275036427266 is 6627246305721.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4202905 + ... + 4496051.

It is an arithmetic number, because the mean of its divisors is an integer number (47120609520).

Almost surely, 2^{1275036427266} is an apocalyptic number.

1275036427266 is an abundant number, since it is smaller than the sum of its proper divisors (1740682582014).

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

1275036427266 is a wasteful number, since it uses less digits than its factorization.

1275036427266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296759.

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 1275036427266 in words is "one trillion, two hundred seventy-five billion, thirty-six million, four hundred twenty-seven thousand, two hundred sixty-six".