12532551255 has 48 divisors (see below), whose sum is σ = 25745900544. Its totient is φ = 5729162400.

The previous prime is 12532551217. The next prime is 12532551263. The reversal of 12532551255 is 55215523521.

12532551255 is a `hidden beast` number, since 1 + 2 + 53 + 2 + 551 + 2 + 55 = 666.

It is not a de Polignac number, because 12532551255 - 2⁶ = 12532551191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 728271 + ... + 745280.

It is an arithmetic number, because the mean of its divisors is an integer number (536372928).

Almost surely, 2^12532551255 is an apocalyptic number.

12532551255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12532551255 is an abundant number, since it is smaller than the sum of its proper divisors (13213349289).

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

12532551255 is an equidigital number, since it uses as much as digits as its factorization.

12532551255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473578 (or 1473566 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The spelling of 12532551255 in words is "twelve billion, five hundred thirty-two million, five hundred fifty-one thousand, two hundred fifty-five".