1081337282566 has 4 divisors (see below), whose sum is σ = 1622005923852. Its totient is φ = 540668641282.

The previous prime is 1081337282503. The next prime is 1081337282581. The reversal of 1081337282566 is 6652827331801.

It is a happy number.

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, 270334320640 + ... + 270334320643.

It is an arithmetic number, because the mean of its divisors is an integer number (405501480963).

Almost surely, 2^{1081337282566} is an apocalyptic number.

1081337282566 is a deficient number, since it is larger than the sum of its proper divisors (540668641286).

1081337282566 is an equidigital number, since it uses as much as digits as its factorization.

1081337282566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540668641285.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 1081337282566 in words is "one trillion, eighty-one billion, three hundred thirty-seven million, two hundred eighty-two thousand, five hundred sixty-six".