11211232069 has 2 divisors, whose sum is σ = 11211232070. Its totient is φ = 11211232068.

The previous prime is 11211232051. The next prime is 11211232111. The reversal of 11211232069 is 96023211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7614831169 + 3596400900 = 87263^2 + 59970^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211232069 - 2¹¹ = 11211230021 is a prime.

It is a super-2 number, since 2×11211232069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211232049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605616034 + 5605616035.

It is an arithmetic number, because the mean of its divisors is an integer number (5605616035).

Almost surely, 2^11211232069 is an apocalyptic number.

It is an amenable number.

11211232069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211232069 is an equidigital number, since it uses as much as digits as its factorization.

11211232069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 11211232069 in words is "eleven billion, two hundred eleven million, two hundred thirty-two thousand, sixty-nine".