11479561 has 2 divisors, whose sum is σ = 11479562. Its totient is φ = 11479560.

The previous prime is 11479547. The next prime is 11479577. The reversal of 11479561 is 16597411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11431161 + 48400 = 3381^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 11479561 - 2⁹ = 11479049 is a prime.

It is not a weakly prime, because it can be changed into another prime (11479261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5739780 + 5739781.

It is an arithmetic number, because the mean of its divisors is an integer number (5739781).

Almost surely, 2^11479561 is an apocalyptic number.

It is an amenable number.

11479561 is a deficient number, since it is larger than the sum of its proper divisors (1).

11479561 is an equidigital number, since it uses as much as digits as its factorization.

11479561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 11479561 is about 3388.1500852235. The cubic root of 11479561 is about 225.5840693549.

The spelling of 11479561 in words is "eleven million, four hundred seventy-nine thousand, five hundred sixty-one".