12524042453 has 4 divisors (see below), whose sum is σ = 13487430348. Its totient is φ = 11560654560.

The previous prime is 12524042441. The next prime is 12524042459. The reversal of 12524042453 is 35424042521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35424042521 = 7 ⋅5060577503.

It can be written as a sum of positive squares in 2 ways, for example, as 564870289 + 11959172164 = 23767^2 + 109358^2 .

It is not a de Polignac number, because 12524042453 - 2¹⁰ = 12524041429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12524042459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481693928 + ... + 481693953.

It is an arithmetic number, because the mean of its divisors is an integer number (3371857587).

Almost surely, 2^12524042453 is an apocalyptic number.

12524042453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12524042453 is a deficient number, since it is larger than the sum of its proper divisors (963387895).

12524042453 is an equidigital number, since it uses as much as digits as its factorization.

12524042453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963387894.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 12524042453 its reverse (35424042521), we get a palindrome (47948084974).

The spelling of 12524042453 in words is "twelve billion, five hundred twenty-four million, forty-two thousand, four hundred fifty-three".