11012004869 has 2 divisors, whose sum is σ = 11012004870. Its totient is φ = 11012004868.

The previous prime is 11012004859. The next prime is 11012004889. The reversal of 11012004869 is 96840021011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11011983844 + 21025 = 104938^2 + 145^2 .

It is an emirp because it is prime and its reverse (96840021011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11012004869 - 2¹² = 11012000773 is a prime.

It is a super-2 number, since 2×11012004869² (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 (11012004859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506002434 + 5506002435.

It is an arithmetic number, because the mean of its divisors is an integer number (5506002435).

Almost surely, 2^11012004869 is an apocalyptic number.

It is an amenable number.

11012004869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012004869 is an equidigital number, since it uses as much as digits as its factorization.

11012004869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 11012004869 in words is "eleven billion, twelve million, four thousand, eight hundred sixty-nine".