11123314009 has 2 divisors, whose sum is σ = 11123314010. Its totient is φ = 11123314008.

The previous prime is 11123313967. The next prime is 11123314019. The reversal of 11123314009 is 90041332111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5569338384 + 5553975625 = 74628^2 + 74525^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123314009 - 2²⁷ = 10989096281 is a prime.

It is a super-2 number, since 2×11123314009² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11123314019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561657004 + 5561657005.

It is an arithmetic number, because the mean of its divisors is an integer number (5561657005).

Almost surely, 2^11123314009 is an apocalyptic number.

It is an amenable number.

11123314009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123314009 is an equidigital number, since it uses as much as digits as its factorization.

11123314009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 11123314009 in words is "eleven billion, one hundred twenty-three million, three hundred fourteen thousand, nine".