1263775133113 has 8 divisors (see below), whose sum is σ = 1287174401280. Its totient is φ = 1240462369680.

The previous prime is 1263775133099. The next prime is 1263775133239. The reversal of 1263775133113 is 3113315773621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1263775133113 - 2²⁵ = 1263741578681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1263775133113.

It is not an unprimeable number, because it can be changed into a prime (1263775134113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21596695 + ... + 21655132.

It is an arithmetic number, because the mean of its divisors is an integer number (160896800160).

Almost surely, 2^{1263775133113} is an apocalyptic number.

It is an amenable number.

1263775133113 is a deficient number, since it is larger than the sum of its proper divisors (23399268167).

1263775133113 is an equidigital number, since it uses as much as digits as its factorization.

1263775133113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43252367.

The product of its digits is 238140, while the sum is 43.

The spelling of 1263775133113 in words is "one trillion, two hundred sixty-three billion, seven hundred seventy-five million, one hundred thirty-three thousand, one hundred thirteen".