11480981 has 2 divisors, whose sum is σ = 11480982. Its totient is φ = 11480980.

The previous prime is 11480941. The next prime is 11481007. The reversal of 11480981 is 18908411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5958481 + 5522500 = 2441^2 + 2350^2 .

It is an emirp because it is prime and its reverse (18908411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11480981 - 2¹⁰ = 11479957 is a prime.

It is a super-2 number, since 2×11480981² = 263625849444722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11480941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5740490 + 5740491.

It is an arithmetic number, because the mean of its divisors is an integer number (5740491).

Almost surely, 2^11480981 is an apocalyptic number.

It is an amenable number.

11480981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11480981 is an equidigital number, since it uses as much as digits as its factorization.

11480981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 11480981 is about 3388.3596326246. The cubic root of 11480981 is about 225.5933704124.

The spelling of 11480981 in words is "eleven million, four hundred eighty thousand, nine hundred eighty-one".