11061011005609 has 4 divisors (see below), whose sum is σ = 11541924527616. Its totient is φ = 10580097483604.

The previous prime is 11061011005559. The next prime is 11061011005679. The reversal of 11061011005609 is 90650011016011.

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 11061011005609 - 2⁷ = 11061011005481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11061011005679) 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, 240456760969 + ... + 240456761014.

It is an arithmetic number, because the mean of its divisors is an integer number (2885481131904).

Almost surely, 2^{11061011005609} is an apocalyptic number.

It is an amenable number.

11061011005609 is a deficient number, since it is larger than the sum of its proper divisors (480913522007).

11061011005609 is an equidigital number, since it uses as much as digits as its factorization.

11061011005609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480913522006.

The product of its (nonzero) digits is 1620, while the sum is 31.

The spelling of 11061011005609 in words is "eleven trillion, sixty-one billion, eleven million, five thousand, six hundred nine".