13558281010966 has 4 divisors (see below), whose sum is σ = 20337421516452. Its totient is φ = 6779140505482.

The previous prime is 13558281010823. The next prime is 13558281010987. The reversal of 13558281010966 is 66901018285531.

13558281010966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389570252740 + ... + 3389570252743.

It is an arithmetic number, because the mean of its divisors is an integer number (5084355379113).

Almost surely, 2^{13558281010966} is an apocalyptic number.

13558281010966 is a deficient number, since it is larger than the sum of its proper divisors (6779140505486).

13558281010966 is an equidigital number, since it uses as much as digits as its factorization.

13558281010966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779140505485.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 13558281010966 in words is "thirteen trillion, five hundred fifty-eight billion, two hundred eighty-one million, ten thousand, nine hundred sixty-six".