11888481 has 8 divisors (see below), whose sum is σ = 17292384. Its totient is φ = 7205120.

The previous prime is 11888477. The next prime is 11888497. The reversal of 11888481 is 18488811.

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

It is a cyclic number.

It is not a de Polignac number, because 11888481 - 2² = 11888477 is a prime.

It is a super-2 number, since 2×11888481² = 282671960974722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11888411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180096 + ... + 180161.

It is an arithmetic number, because the mean of its divisors is an integer number (2161548).

Almost surely, 2^11888481 is an apocalyptic number.

11888481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11888481 is a deficient number, since it is larger than the sum of its proper divisors (5403903).

11888481 is a wasteful number, since it uses less digits than its factorization.

11888481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360271.

The product of its digits is 16384, while the sum is 39.

The square root of 11888481 is about 3447.9676622614. The cubic root of 11888481 is about 228.2314324401.

It can be divided in two parts, 1188 and 8481, that added together give a palindrome (9669).

The spelling of 11888481 in words is "eleven million, eight hundred eighty-eight thousand, four hundred eighty-one".