12542503613 has 8 divisors (see below), whose sum is σ = 13026476160. Its totient is φ = 12067577440.

The previous prime is 12542503609. The next prime is 12542503637. The reversal of 12542503613 is 31630524521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12542503613 - 2² = 12542503609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12542503613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542503663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258768 + ... + 2264313.

It is an arithmetic number, because the mean of its divisors is an integer number (1628309520).

Almost surely, 2^12542503613 is an apocalyptic number.

It is an amenable number.

12542503613 is a deficient number, since it is larger than the sum of its proper divisors (483972547).

12542503613 is an equidigital number, since it uses as much as digits as its factorization.

12542503613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523187.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 12542503613 in words is "twelve billion, five hundred forty-two million, five hundred three thousand, six hundred thirteen".