11149571 has 2 divisors, whose sum is σ = 11149572. Its totient is φ = 11149570.

The previous prime is 11149547. The next prime is 11149577. The reversal of 11149571 is 17594111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11149571 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11149577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574785 + 5574786.

It is an arithmetic number, because the mean of its divisors is an integer number (5574786).

Almost surely, 2^11149571 is an apocalyptic number.

11149571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11149571 is an equidigital number, since it uses as much as digits as its factorization.

11149571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 29.

The square root of 11149571 is about 3339.0973331126. The cubic root of 11149571 is about 223.4014833726.

The spelling of 11149571 in words is "eleven million, one hundred forty-nine thousand, five hundred seventy-one".