15530054513 has 2 divisors, whose sum is σ = 15530054514. Its totient is φ = 15530054512.

The previous prime is 15530054483. The next prime is 15530054539. The reversal of 15530054513 is 31545003551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11157274384 + 4372780129 = 105628^2 + 66127^2 .

It is a cyclic number.

It is not a de Polignac number, because 15530054513 - 2¹⁰ = 15530053489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15530054513.

It is not a weakly prime, because it can be changed into another prime (15530054713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765027256 + 7765027257.

It is an arithmetic number, because the mean of its divisors is an integer number (7765027257).

Almost surely, 2^15530054513 is an apocalyptic number.

It is an amenable number.

15530054513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530054513 is an equidigital number, since it uses as much as digits as its factorization.

15530054513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 15530054513 in words is "fifteen billion, five hundred thirty million, fifty-four thousand, five hundred thirteen".