11311003969 has 2 divisors, whose sum is σ = 11311003970. Its totient is φ = 11311003968.

The previous prime is 11311003939. The next prime is 11311004083. The reversal of 11311003969 is 96930011311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8295566400 + 3015437569 = 91080^2 + 54913^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311003969 - 2⁷ = 11311003841 is a prime.

It is a super-2 number, since 2×11311003969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11311003939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655501984 + 5655501985.

It is an arithmetic number, because the mean of its divisors is an integer number (5655501985).

Almost surely, 2^11311003969 is an apocalyptic number.

It is an amenable number.

11311003969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311003969 is an equidigital number, since it uses as much as digits as its factorization.

11311003969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 34.

The spelling of 11311003969 in words is "eleven billion, three hundred eleven million, three thousand, nine hundred sixty-nine".