11011111469 has 2 divisors, whose sum is σ = 11011111470. Its totient is φ = 11011111468.

The previous prime is 11011111451. The next prime is 11011111483. The reversal of 11011111469 is 96411111011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8739445225 + 2271666244 = 93485^2 + 47662^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011111469 - 2¹⁶ = 11011045933 is a prime.

It is a super-2 number, since 2×11011111469² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011311469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505555734 + 5505555735.

It is an arithmetic number, because the mean of its divisors is an integer number (5505555735).

Almost surely, 2^11011111469 is an apocalyptic number.

It is an amenable number.

11011111469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011111469 is an equidigital number, since it uses as much as digits as its factorization.

11011111469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 11011111469 in words is "eleven billion, eleven million, one hundred eleven thousand, four hundred sixty-nine".