11140469 has 2 divisors, whose sum is σ = 11140470. Its totient is φ = 11140468.

The previous prime is 11140447. The next prime is 11140477. The reversal of 11140469 is 96404111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 4900 = 3337^2 + 70^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11140469 is a prime.

It is a super-2 number, since 2×11140469² = 248220099079922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11140489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570234 + 5570235.

It is an arithmetic number, because the mean of its divisors is an integer number (5570235).

Almost surely, 2^11140469 is an apocalyptic number.

It is an amenable number.

11140469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140469 is an equidigital number, since it uses as much as digits as its factorization.

11140469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11140469 is about 3337.7341116392. The cubic root of 11140469 is about 223.3406752370.

The spelling of 11140469 in words is "eleven million, one hundred forty thousand, four hundred sixty-nine".