15265256077243 has 2 divisors, whose sum is σ = 15265256077244. Its totient is φ = 15265256077242.

The previous prime is 15265256077153. The next prime is 15265256077303. The reversal of 15265256077243 is 34277065256251.

It is a strong prime.

It is an emirp because it is prime and its reverse (34277065256251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15265256077243 - 2¹³ = 15265256069051 is a prime.

It is not a weakly prime, because it can be changed into another prime (15265256477243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7632628038621 + 7632628038622.

It is an arithmetic number, because the mean of its divisors is an integer number (7632628038622).

Almost surely, 2^{15265256077243} is an apocalyptic number.

15265256077243 is a deficient number, since it is larger than the sum of its proper divisors (1).

15265256077243 is an equidigital number, since it uses as much as digits as its factorization.

15265256077243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 15265256077243 in words is "fifteen trillion, two hundred sixty-five billion, two hundred fifty-six million, seventy-seven thousand, two hundred forty-three".