1252530143255 has 16 divisors (see below), whose sum is σ = 1555025381280. Its totient is φ = 967371769728.

The previous prime is 1252530143171. The next prime is 1252530143279. The reversal of 1252530143255 is 5523410352521.

It is not a de Polignac number, because 1252530143255 - 2¹⁰ = 1252530142231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980849 + ... + 1862021.

It is an arithmetic number, because the mean of its divisors is an integer number (97189086330).

Almost surely, 2^{1252530143255} is an apocalyptic number.

1252530143255 is a deficient number, since it is larger than the sum of its proper divisors (302495238025).

1252530143255 is an equidigital number, since it uses as much as digits as its factorization.

1252530143255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891010.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 1252530143255 its reverse (5523410352521), we get a palindrome (6775940495776).

The spelling of 1252530143255 in words is "one trillion, two hundred fifty-two billion, five hundred thirty million, one hundred forty-three thousand, two hundred fifty-five".