11310161609 has 2 divisors, whose sum is σ = 11310161610. Its totient is φ = 11310161608.

The previous prime is 11310161587. The next prime is 11310161623. The reversal of 11310161609 is 90616101311.

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., 7616925625 + 3693235984 = 87275^2 + 60772^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310161609 - 2¹² = 11310157513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11310161209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655080804 + 5655080805.

It is an arithmetic number, because the mean of its divisors is an integer number (5655080805).

Almost surely, 2^11310161609 is an apocalyptic number.

It is an amenable number.

11310161609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310161609 is an equidigital number, since it uses as much as digits as its factorization.

11310161609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 11310161609 in words is "eleven billion, three hundred ten million, one hundred sixty-one thousand, six hundred nine".