11119161569 has 2 divisors, whose sum is σ = 11119161570. Its totient is φ = 11119161568.

The previous prime is 11119161517. The next prime is 11119161617. The reversal of 11119161569 is 96516191111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6680937169 + 4438224400 = 81737^2 + 66620^2 .

It is a cyclic number.

It is not a de Polignac number, because 11119161569 - 2¹² = 11119157473 is a prime.

It is a super-2 number, since 2×11119161569² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11119161509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559580784 + 5559580785.

It is an arithmetic number, because the mean of its divisors is an integer number (5559580785).

Almost surely, 2^11119161569 is an apocalyptic number.

It is an amenable number.

11119161569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11119161569 is an equidigital number, since it uses as much as digits as its factorization.

11119161569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 41.

The spelling of 11119161569 in words is "eleven billion, one hundred nineteen million, one hundred sixty-one thousand, five hundred sixty-nine".