11123302011 has 16 divisors (see below), whose sum is σ = 15937870464. Its totient is φ = 6875155584.

The previous prime is 11123302007. The next prime is 11123302039. The reversal of 11123302011 is 11020332111.

It is a happy number.

It is not a de Polignac number, because 11123302011 - 2² = 11123302007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123309011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624225 + ... + 1631058.

It is an arithmetic number, because the mean of its divisors is an integer number (996116904).

Almost surely, 2^11123302011 is an apocalyptic number.

11123302011 is a deficient number, since it is larger than the sum of its proper divisors (4814568453).

11123302011 is a wasteful number, since it uses less digits than its factorization.

11123302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255370.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11123302011 its reverse (11020332111), we get a palindrome (22143634122).

The spelling of 11123302011 in words is "eleven billion, one hundred twenty-three million, three hundred two thousand, eleven".