11047481 has 8 divisors (see below), whose sum is σ = 11291400. Its totient is φ = 10806400.

The previous prime is 11047469. The next prime is 11047483. The reversal of 11047481 is 18474011.

It can be written as a sum of positive squares in 4 ways, for example, as 6295081 + 4752400 = 2509^2 + 2180^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11047481 is a prime.

It is a super-2 number, since 2×11047481² = 244093672890722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11047481.

It is not an unprimeable number, because it can be changed into a prime (11047483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8375 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (1411425).

Almost surely, 2^11047481 is an apocalyptic number.

It is an amenable number.

11047481 is a deficient number, since it is larger than the sum of its proper divisors (243919).

11047481 is a wasteful number, since it uses less digits than its factorization.

11047481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 11047481 is about 3323.7751127295. The cubic root of 11047481 is about 222.7175400490.

The spelling of 11047481 in words is "eleven million, forty-seven thousand, four hundred eighty-one".