1252158196463 has 4 divisors (see below), whose sum is σ = 1252190009280. Its totient is φ = 1252126383648.

The previous prime is 1252158196441. The next prime is 1252158196543. The reversal of 1252158196463 is 3646918512521.

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 1252158196463 - 2²⁰ = 1252157147887 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 (1252158196433) 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, 15847295 + ... + 15926112.

It is an arithmetic number, because the mean of its divisors is an integer number (313047502320).

Almost surely, 2^{1252158196463} is an apocalyptic number.

1252158196463 is a deficient number, since it is larger than the sum of its proper divisors (31812817).

1252158196463 is an equidigital number, since it uses as much as digits as its factorization.

1252158196463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31812816.

The product of its digits is 3110400, while the sum is 53.

The spelling of 1252158196463 in words is "one trillion, two hundred fifty-two billion, one hundred fifty-eight million, one hundred ninety-six thousand, four hundred sixty-three".