11481005 has 8 divisors (see below), whose sum is σ = 14221824. Its totient is φ = 8888400.

The previous prime is 11480981. The next prime is 11481007. The reversal of 11481005 is 50018411.

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

It is not a de Polignac number, because 11481005 - 2⁶ = 11480941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11481007) 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, 36881 + ... + 37190.

It is an arithmetic number, because the mean of its divisors is an integer number (1777728).

Almost surely, 2^11481005 is an apocalyptic number.

It is an amenable number.

11481005 is a deficient number, since it is larger than the sum of its proper divisors (2740819).

11481005 is an equidigital number, since it uses as much as digits as its factorization.

11481005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74107.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 11481005 is about 3388.3631741595. The cubic root of 11481005 is about 225.5935276068.

Adding to 11481005 its reverse (50018411), we get a palindrome (61499416).

The spelling of 11481005 in words is "eleven million, four hundred eighty-one thousand, five".