15158158230773 has 2 divisors, whose sum is σ = 15158158230774. Its totient is φ = 15158158230772.

The previous prime is 15158158230751. The next prime is 15158158230793. The reversal of 15158158230773 is 37703285185151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14668463383249 + 489694847524 = 3829943^2 + 699782^2 .

It is a cyclic number.

It is not a de Polignac number, because 15158158230773 - 2²⁰ = 15158157182197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15158158230793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7579079115386 + 7579079115387.

It is an arithmetic number, because the mean of its divisors is an integer number (7579079115387).

Almost surely, 2^{15158158230773} is an apocalyptic number.

It is an amenable number.

15158158230773 is a deficient number, since it is larger than the sum of its proper divisors (1).

15158158230773 is an equidigital number, since it uses as much as digits as its factorization.

15158158230773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 56.

The spelling of 15158158230773 in words is "fifteen trillion, one hundred fifty-eight billion, one hundred fifty-eight million, two hundred thirty thousand, seven hundred seventy-three".