11532011 has 2 divisors, whose sum is σ = 11532012. Its totient is φ = 11532010.

The previous prime is 11531987. The next prime is 11532013. The reversal of 11532011 is 11023511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11532011 is a prime.

It is a Sophie Germain prime.

Together with 11532013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11532013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766005 + 5766006.

It is an arithmetic number, because the mean of its divisors is an integer number (5766006).

Almost surely, 2^11532011 is an apocalyptic number.

11532011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11532011 is an equidigital number, since it uses as much as digits as its factorization.

11532011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11532011 is about 3395.8814761414. The cubic root of 11532011 is about 225.9271112220.

Adding to 11532011 its reverse (11023511), we get a palindrome (22555522).

The spelling of 11532011 in words is "eleven million, five hundred thirty-two thousand, eleven".