13325442770881 has 2 divisors, whose sum is σ = 13325442770882. Its totient is φ = 13325442770880.

The previous prime is 13325442770807. The next prime is 13325442770891. The reversal of 13325442770881 is 18807724452331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12387295554481 + 938147216400 = 3519559^2 + 968580^2 .

It is an emirp because it is prime and its reverse (18807724452331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13325442770881 - 2²⁷ = 13325308553153 is a prime.

It is a super-2 number, since 2×13325442770881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13325442770891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6662721385440 + 6662721385441.

It is an arithmetic number, because the mean of its divisors is an integer number (6662721385441).

Almost surely, 2^{13325442770881} is an apocalyptic number.

It is an amenable number.

13325442770881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13325442770881 is an equidigital number, since it uses as much as digits as its factorization.

13325442770881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 13325442770881 in words is "thirteen trillion, three hundred twenty-five billion, four hundred forty-two million, seven hundred seventy thousand, eight hundred eighty-one".