11455481 has 2 divisors, whose sum is σ = 11455482. Its totient is φ = 11455480.

The previous prime is 11455471. The next prime is 11455489. The reversal of 11455481 is 18455411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 3097600 = 2891^2 + 1760^2 .

It is a cyclic number.

It is not a de Polignac number, because 11455481 - 2⁶ = 11455417 is a prime.

It is a super-2 number, since 2×11455481² = 262456089882722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11455489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727740 + 5727741.

It is an arithmetic number, because the mean of its divisors is an integer number (5727741).

Almost surely, 2^11455481 is an apocalyptic number.

It is an amenable number.

11455481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455481 is an equidigital number, since it uses as much as digits as its factorization.

11455481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 29.

The square root of 11455481 is about 3384.5946581533. The cubic root of 11455481 is about 225.4262274596.

The spelling of 11455481 in words is "eleven million, four hundred fifty-five thousand, four hundred eighty-one".