12534515253 has 12 divisors (see below), whose sum is σ = 19498135020. Its totient is φ = 7713547776.

The previous prime is 12534515243. The next prime is 12534515263. The reversal of 12534515253 is 35251543521.

12534515253 is a `hidden beast` number, since 125 + 3 + 4 + 5 + 1 + 525 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (12534515243) and next prime (12534515263).

It can be written as a sum of positive squares in 2 ways, for example, as 6966072369 + 5568442884 = 83463^2 + 74622^2 .

It is not a de Polignac number, because 12534515253 - 2⁴ = 12534515237 is a prime.

It is a super-2 number, since 2×12534515253² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534515243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53566188 + ... + 53566421.

It is an arithmetic number, because the mean of its divisors is an integer number (1624844585).

Almost surely, 2^12534515253 is an apocalyptic number.

12534515253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12534515253 is a deficient number, since it is larger than the sum of its proper divisors (6963619767).

12534515253 is a wasteful number, since it uses less digits than its factorization.

12534515253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107132628 (or 107132625 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 12534515253 in words is "twelve billion, five hundred thirty-four million, five hundred fifteen thousand, two hundred fifty-three".