11800054 has 16 divisors (see below), whose sum is σ = 20275200. Its totient is φ = 5045544.

The previous prime is 11800051. The next prime is 11800069. The reversal of 11800054 is 45000811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11800051) 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, 8587 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^11800054 is an apocalyptic number.

11800054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11800054 is a deficient number, since it is larger than the sum of its proper divisors (8475146).

11800054 is a wasteful number, since it uses less digits than its factorization.

11800054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 11800054 is about 3435.1206674584. The cubic root of 11800054 is about 227.6641587795.

Adding to 11800054 its reverse (45000811), we get a palindrome (56800865).

The spelling of 11800054 in words is "eleven million, eight hundred thousand, fifty-four".