1027027330561 has 4 divisors (see below), whose sum is σ = 1027162348992. Its totient is φ = 1026892312132.

The previous prime is 1027027330541. The next prime is 1027027330583. The reversal of 1027027330561 is 1650337207201.

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 1027027330561 - 2¹³ = 1027027322369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1027027330561.

It is not an unprimeable number, because it can be changed into a prime (1027027330501) 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, 67497805 + ... + 67513018.

It is an arithmetic number, because the mean of its divisors is an integer number (256790587248).

Almost surely, 2^{1027027330561} is an apocalyptic number.

It is an amenable number.

1027027330561 is a deficient number, since it is larger than the sum of its proper divisors (135018431).

1027027330561 is an equidigital number, since it uses as much as digits as its factorization.

1027027330561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135018430.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 1027027330561 in words is "one trillion, twenty-seven billion, twenty-seven million, three hundred thirty thousand, five hundred sixty-one".