11711481 has 8 divisors (see below), whose sum is σ = 15660960. Its totient is φ = 7784832.

The previous prime is 11711477. The next prime is 11711501. The reversal of 11711481 is 18411711.

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

It is not a de Polignac number, because 11711481 - 2² = 11711477 is a prime.

It is a super-2 number, since 2×11711481² = 274317574426722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11711411) 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, 4471 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (1957620).

Almost surely, 2^11711481 is an apocalyptic number.

It is an amenable number.

11711481 is a deficient number, since it is larger than the sum of its proper divisors (3949479).

11711481 is a wasteful number, since it uses less digits than its factorization.

11711481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415.

The product of its digits is 224, while the sum is 24.

The square root of 11711481 is about 3422.2041143100. The cubic root of 11711481 is about 227.0931003028.

The spelling of 11711481 in words is "eleven million, seven hundred eleven thousand, four hundred eighty-one".