12530524311 has 40 divisors (see below), whose sum is σ = 19268870544. Its totient is φ = 8111301120.

The previous prime is 12530524309. The next prime is 12530524343. The reversal of 12530524311 is 11342503521.

12530524311 is a `hidden beast` number, since 1 + 25 + 305 + 24 + 311 = 666.

It is not a de Polignac number, because 12530524311 - 2¹ = 12530524309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530524511) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 401376 + ... + 431466.

Almost surely, 2^12530524311 is an apocalyptic number.

12530524311 is a deficient number, since it is larger than the sum of its proper divisors (6738346233).

12530524311 is an equidigital number, since it uses as much as digits as its factorization.

12530524311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30253 (or 30244 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 12530524311 in words is "twelve billion, five hundred thirty million, five hundred twenty-four thousand, three hundred eleven".