15254555513 has 2 divisors, whose sum is σ = 15254555514. Its totient is φ = 15254555512.

The previous prime is 15254555507. The next prime is 15254555521. The reversal of 15254555513 is 31555545251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11153049664 + 4101505849 = 105608^2 + 64043^2 .

It is a cyclic number.

It is not a de Polignac number, because 15254555513 - 2²⁸ = 14986120057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15254555713) 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 as a sum of consecutive naturals, namely, 7627277756 + 7627277757.

It is an arithmetic number, because the mean of its divisors is an integer number (7627277757).

Almost surely, 2^15254555513 is an apocalyptic number.

It is an amenable number.

15254555513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15254555513 is an equidigital number, since it uses as much as digits as its factorization.

15254555513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 375000, while the sum is 41.

The spelling of 15254555513 in words is "fifteen billion, two hundred fifty-four million, five hundred fifty-five thousand, five hundred thirteen".