1081066281313 has 4 divisors (see below), whose sum is σ = 1081219870720. Its totient is φ = 1080912691908.

The previous prime is 1081066281271. The next prime is 1081066281341. The reversal of 1081066281313 is 3131826601801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1081066281313 - 2²⁵ = 1081032726881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081066281013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76784145 + ... + 76798222.

It is an arithmetic number, because the mean of its divisors is an integer number (270304967680).

Almost surely, 2^{1081066281313} is an apocalyptic number.

It is an amenable number.

1081066281313 is a deficient number, since it is larger than the sum of its proper divisors (153589407).

1081066281313 is an equidigital number, since it uses as much as digits as its factorization.

1081066281313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153589406.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 1081066281313 in words is "one trillion, eighty-one billion, sixty-six million, two hundred eighty-one thousand, three hundred thirteen".