11101085869 has 2 divisors, whose sum is σ = 11101085870. Its totient is φ = 11101085868.

The previous prime is 11101085843. The next prime is 11101085887. The reversal of 11101085869 is 96858010111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5589805225 + 5511280644 = 74765^2 + 74238^2 .

It is an emirp because it is prime and its reverse (96858010111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11101085869 - 2¹³ = 11101077677 is a prime.

It is a super-2 number, since 2×11101085869² (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 (11101085819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550542934 + 5550542935.

It is an arithmetic number, because the mean of its divisors is an integer number (5550542935).

Almost surely, 2^11101085869 is an apocalyptic number.

It is an amenable number.

11101085869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101085869 is an equidigital number, since it uses as much as digits as its factorization.

11101085869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 40.

The spelling of 11101085869 in words is "eleven billion, one hundred one million, eighty-five thousand, eight hundred sixty-nine".