11123090017 has 8 divisors (see below), whose sum is σ = 11985794856. Its totient is φ = 10261396992.

The previous prime is 11123090009. The next prime is 11123090047. The reversal of 11123090017 is 71009032111.

It can be written as a sum of positive squares in 4 ways, for example, as 881852416 + 10241237601 = 29696^2 + 101199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11123090017 - 2³ = 11123090009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123089973 and 11123090000.

It is not an unprimeable number, because it can be changed into a prime (11123090047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230038 + ... + 274159.

It is an arithmetic number, because the mean of its divisors is an integer number (1498224357).

Almost surely, 2^11123090017 is an apocalyptic number.

It is an amenable number.

11123090017 is a deficient number, since it is larger than the sum of its proper divisors (862704839).

11123090017 is a wasteful number, since it uses less digits than its factorization.

11123090017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505907.

The product of its (nonzero) digits is 378, while the sum is 25.

The spelling of 11123090017 in words is "eleven billion, one hundred twenty-three million, ninety thousand, seventeen".