1083116069561 has 2 divisors, whose sum is σ = 1083116069562. Its totient is φ = 1083116069560.

The previous prime is 1083116069513. The next prime is 1083116069573. The reversal of 1083116069561 is 1659606113801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956757859600 + 126358209961 = 978140^2 + 355469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083116069561 - 2¹⁴ = 1083116053177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1083116039561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541558034780 + 541558034781.

It is an arithmetic number, because the mean of its divisors is an integer number (541558034781).

Almost surely, 2^{1083116069561} is an apocalyptic number.

It is an amenable number.

1083116069561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083116069561 is an equidigital number, since it uses as much as digits as its factorization.

1083116069561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 1083116069561 in words is "one trillion, eighty-three billion, one hundred sixteen million, sixty-nine thousand, five hundred sixty-one".