11481618 has 16 divisors (see below), whose sum is σ = 23584320. Its totient is φ = 3723696.

The previous prime is 11481611. The next prime is 11481619. The reversal of 11481618 is 81618411.

It is not an unprimeable number, because it can be changed into a prime (11481611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25638 + ... + 26081.

It is an arithmetic number, because the mean of its divisors is an integer number (1474020).

Almost surely, 2^11481618 is an apocalyptic number.

11481618 is an abundant number, since it is smaller than the sum of its proper divisors (12102702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11481618 is a wasteful number, since it uses less digits than its factorization.

11481618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51761.

The product of its digits is 1536, while the sum is 30.

The square root of 11481618 is about 3388.4536296075. The cubic root of 11481618 is about 225.5975425390.

The spelling of 11481618 in words is "eleven million, four hundred eighty-one thousand, six hundred eighteen".