11810481 has 4 divisors (see below), whose sum is σ = 15747312. Its totient is φ = 7873652.

The previous prime is 11810471. The next prime is 11810497. The reversal of 11810481 is 18401811.

11810481 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18401811 = 3 ⋅6133937.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11810481 is a prime.

It is a super-2 number, since 2×11810481² = 278974922902722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11810401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968411 + ... + 1968416.

It is an arithmetic number, because the mean of its divisors is an integer number (3936828).

Almost surely, 2^11810481 is an apocalyptic number.

It is an amenable number.

11810481 is a deficient number, since it is larger than the sum of its proper divisors (3936831).

11810481 is an equidigital number, since it uses as much as digits as its factorization.

11810481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936830.

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 11810481 is about 3436.6380373848. The cubic root of 11810481 is about 227.7311967585.

The spelling of 11810481 in words is "eleven million, eight hundred ten thousand, four hundred eighty-one".