12531546362653 has 8 divisors (see below), whose sum is σ = 12753458933976. Its totient is φ = 12310165320000.

The previous prime is 12531546362633. The next prime is 12531546362669. The reversal of 12531546362653 is 35626364513521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1801119675364 + 10730426687289 = 1342058^2 + 3275733^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12531546362653 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 12531546362653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12531546362603) 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, 132834598 + ... + 132928903.

It is an arithmetic number, because the mean of its divisors is an integer number (1594182366747).

Almost surely, 2^{12531546362653} is an apocalyptic number.

It is an amenable number.

12531546362653 is a deficient number, since it is larger than the sum of its proper divisors (221912571323).

12531546362653 is an equidigital number, since it uses as much as digits as its factorization.

12531546362653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265764335.

The product of its digits is 11664000, while the sum is 52.

The spelling of 12531546362653 in words is "twelve trillion, five hundred thirty-one billion, five hundred forty-six million, three hundred sixty-two thousand, six hundred fifty-three".