12531461503 has 8 divisors (see below), whose sum is σ = 13679107200. Its totient is φ = 11385219480.

The previous prime is 12531461497. The next prime is 12531461521. The reversal of 12531461503 is 30516413521.

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 12531461503 - 2⁵ = 12531461471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531461573) 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, 332203 + ... + 367996.

It is an arithmetic number, because the mean of its divisors is an integer number (1709888400).

Almost surely, 2^12531461503 is an apocalyptic number.

12531461503 is a deficient number, since it is larger than the sum of its proper divisors (1147645697).

12531461503 is a wasteful number, since it uses less digits than its factorization.

12531461503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701837.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 12531461503 in words is "twelve billion, five hundred thirty-one million, four hundred sixty-one thousand, five hundred three".