12531145053 has 8 divisors (see below), whose sum is σ = 19095078208. Its totient is φ = 7160654304.

The previous prime is 12531145037. The next prime is 12531145061. The reversal of 12531145053 is 35054113521.

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

It is not a de Polignac number, because 12531145053 - 2⁴ = 12531145037 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 12531145053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531145013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298360576 + ... + 298360617.

It is an arithmetic number, because the mean of its divisors is an integer number (2386884776).

Almost surely, 2^12531145053 is an apocalyptic number.

It is an amenable number.

12531145053 is a deficient number, since it is larger than the sum of its proper divisors (6563933155).

12531145053 is an equidigital number, since it uses as much as digits as its factorization.

12531145053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596721203.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 12531145053 its reverse (35054113521), we get a palindrome (47585258574).

The spelling of 12531145053 in words is "twelve billion, five hundred thirty-one million, one hundred forty-five thousand, fifty-three".