11149261 has 2 divisors, whose sum is σ = 11149262. Its totient is φ = 11149260.

The previous prime is 11149249. The next prime is 11149267. The reversal of 11149261 is 16294111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 93636 = 3325^2 + 306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11149261 is a prime.

It is a super-2 number, since 2×11149261² = 248612041692242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11149267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574630 + 5574631.

It is an arithmetic number, because the mean of its divisors is an integer number (5574631).

Almost surely, 2^11149261 is an apocalyptic number.

It is an amenable number.

11149261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11149261 is an equidigital number, since it uses as much as digits as its factorization.

11149261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 25.

The square root of 11149261 is about 3339.0509130590. The cubic root of 11149261 is about 223.3994128863.

The spelling of 11149261 in words is "eleven million, one hundred forty-nine thousand, two hundred sixty-one".