1252133666783 has 4 divisors (see below), whose sum is σ = 1254303743040. Its totient is φ = 1249963590528.

The previous prime is 1252133666747. The next prime is 1252133666801. The reversal of 1252133666783 is 3876663312521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1252133666783 - 2¹⁰ = 1252133665759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252133662783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085037263 + ... + 1085038416.

It is an arithmetic number, because the mean of its divisors is an integer number (313575935760).

Almost surely, 2^{1252133666783} is an apocalyptic number.

1252133666783 is a deficient number, since it is larger than the sum of its proper divisors (2170076257).

1252133666783 is an equidigital number, since it uses as much as digits as its factorization.

1252133666783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170076256.

The product of its digits is 6531840, while the sum is 53.

The spelling of 1252133666783 in words is "one trillion, two hundred fifty-two billion, one hundred thirty-three million, six hundred sixty-six thousand, seven hundred eighty-three".