15025451245513 has 2 divisors, whose sum is σ = 15025451245514. Its totient is φ = 15025451245512.

The previous prime is 15025451245507. The next prime is 15025451245537. The reversal of 15025451245513 is 31554215452051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13326099143049 + 1699352102464 = 3650493^2 + 1303592^2 .

It is an emirp because it is prime and its reverse (31554215452051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15025451245513 - 2²⁹ = 15024914374601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15025451245513.

It is not a weakly prime, because it can be changed into another prime (15025451246513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512725622756 + 7512725622757.

It is an arithmetic number, because the mean of its divisors is an integer number (7512725622757).

Almost surely, 2^{15025451245513} is an apocalyptic number.

It is an amenable number.

15025451245513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15025451245513 is an equidigital number, since it uses as much as digits as its factorization.

15025451245513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600000, while the sum is 43.

Adding to 15025451245513 its reverse (31554215452051), we get a palindrome (46579666697564).

The spelling of 15025451245513 in words is "fifteen trillion, twenty-five billion, four hundred fifty-one million, two hundred forty-five thousand, five hundred thirteen".