15401110423273 has 2 divisors, whose sum is σ = 15401110423274. Its totient is φ = 15401110423272.

The previous prime is 15401110423199. The next prime is 15401110423291. The reversal of 15401110423273 is 37232401110451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9325615041369 + 6075495381904 = 3053787^2 + 2464852^2 .

It is an emirp because it is prime and its reverse (37232401110451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15401110423273 - 2¹³ = 15401110415081 is a prime.

It is not a weakly prime, because it can be changed into another prime (15401110423373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700555211636 + 7700555211637.

It is an arithmetic number, because the mean of its divisors is an integer number (7700555211637).

Almost surely, 2^{15401110423273} is an apocalyptic number.

It is an amenable number.

15401110423273 is a deficient number, since it is larger than the sum of its proper divisors (1).

15401110423273 is an equidigital number, since it uses as much as digits as its factorization.

15401110423273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 15401110423273 in words is "fifteen trillion, four hundred one billion, one hundred ten million, four hundred twenty-three thousand, two hundred seventy-three".