11636069569 has 2 divisors, whose sum is σ = 11636069570. Its totient is φ = 11636069568.

The previous prime is 11636069527. The next prime is 11636069647. The reversal of 11636069569 is 96596063611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8120172544 + 3515897025 = 90112^2 + 59295^2 .

It is a cyclic number.

It is not a de Polignac number, because 11636069569 - 2³³ = 3046134977 is a prime.

It is a super-2 number, since 2×11636069569² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11636169569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5818034784 + 5818034785.

It is an arithmetic number, because the mean of its divisors is an integer number (5818034785).

Almost surely, 2^11636069569 is an apocalyptic number.

It is an amenable number.

11636069569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11636069569 is an equidigital number, since it uses as much as digits as its factorization.

11636069569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 11636069569 in words is "eleven billion, six hundred thirty-six million, sixty-nine thousand, five hundred sixty-nine".