11131040069 has 2 divisors, whose sum is σ = 11131040070. Its totient is φ = 11131040068.

The previous prime is 11131039993. The next prime is 11131040099. The reversal of 11131040069 is 96004013111.

11131040069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10709559169 + 421480900 = 103487^2 + 20530^2 .

It is an emirp because it is prime and its reverse (96004013111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11131040069 - 2¹² = 11131035973 is a prime.

It is a super-2 number, since 2×11131040069² (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 (11131040099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565520034 + 5565520035.

It is an arithmetic number, because the mean of its divisors is an integer number (5565520035).

Almost surely, 2^11131040069 is an apocalyptic number.

It is an amenable number.

11131040069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131040069 is an equidigital number, since it uses as much as digits as its factorization.

11131040069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 11131040069 in words is "eleven billion, one hundred thirty-one million, forty thousand, sixty-nine".