11461481 has 2 divisors, whose sum is σ = 11461482. Its totient is φ = 11461480.

The previous prime is 11461447. The next prime is 11461487. The reversal of 11461481 is 18416411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9665881 + 1795600 = 3109^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 11461481 - 2¹⁸ = 11199337 is a prime.

It is a super-2 number, since 2×11461481² = 262731093426722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11461481.

It is not a weakly prime, because it can be changed into another prime (11461487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5730740 + 5730741.

It is an arithmetic number, because the mean of its divisors is an integer number (5730741).

Almost surely, 2^11461481 is an apocalyptic number.

It is an amenable number.

11461481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11461481 is an equidigital number, since it uses as much as digits as its factorization.

11461481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 26.

The square root of 11461481 is about 3385.4809111853. The cubic root of 11461481 is about 225.4655775108.

Adding to 11461481 its reverse (18416411), we get a palindrome (29877892).

The spelling of 11461481 in words is "eleven million, four hundred sixty-one thousand, four hundred eighty-one".