11130885011 has 2 divisors, whose sum is σ = 11130885012. Its totient is φ = 11130885010.

The previous prime is 11130884993. The next prime is 11130885019. The reversal of 11130885011 is 11058803111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11130885011 is a prime.

It is a super-2 number, since 2×11130885011² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11130885019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565442505 + 5565442506.

It is an arithmetic number, because the mean of its divisors is an integer number (5565442506).

Almost surely, 2^11130885011 is an apocalyptic number.

11130885011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130885011 is an equidigital number, since it uses as much as digits as its factorization.

11130885011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 29.

The spelling of 11130885011 in words is "eleven billion, one hundred thirty million, eight hundred eighty-five thousand, eleven".