11802481 has 2 divisors, whose sum is σ = 11802482. Its totient is φ = 11802480.

The previous prime is 11802457. The next prime is 11802487. The reversal of 11802481 is 18420811.

11802481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 1401856 = 3225^2 + 1184^2 .

It is an emirp because it is prime and its reverse (18420811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11802481 - 2⁹ = 11801969 is a prime.

It is a super-2 number, since 2×11802481² = 278597115510722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11802487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5901240 + 5901241.

It is an arithmetic number, because the mean of its divisors is an integer number (5901241).

Almost surely, 2^11802481 is an apocalyptic number.

It is an amenable number.

11802481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11802481 is an equidigital number, since it uses as much as digits as its factorization.

11802481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11802481 is about 3435.4739119953. The cubic root of 11802481 is about 227.6797661385.

The spelling of 11802481 in words is "eleven million, eight hundred two thousand, four hundred eighty-one".