15500885425327 has 2 divisors, whose sum is σ = 15500885425328. Its totient is φ = 15500885425326.

The previous prime is 15500885425273. The next prime is 15500885425343. The reversal of 15500885425327 is 72352458800551.

Together with previous prime (15500885425273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15500885425327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15500885425387) 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, 7750442712663 + 7750442712664.

It is an arithmetic number, because the mean of its divisors is an integer number (7750442712664).

Almost surely, 2^{15500885425327} is an apocalyptic number.

15500885425327 is a deficient number, since it is larger than the sum of its proper divisors (1).

15500885425327 is an equidigital number, since it uses as much as digits as its factorization.

15500885425327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440000, while the sum is 55.

The spelling of 15500885425327 in words is "fifteen trillion, five hundred billion, eight hundred eighty-five million, four hundred twenty-five thousand, three hundred twenty-seven".