11801080 has 48 divisors (see below), whose sum is σ = 27525960. Its totient is φ = 4553280.

The previous prime is 11801063. The next prime is 11801129. The reversal of 11801080 is 8010811.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 38287 + ... + 38593.

Almost surely, 2^11801080 is an apocalyptic number.

11801080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11801080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13762980).

11801080 is an abundant number, since it is smaller than the sum of its proper divisors (15724880).

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

11801080 is a wasteful number, since it uses less digits than its factorization.

11801080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 11801080 is about 3435.2700039444. The cubic root of 11801080 is about 227.6707569600.

Adding to 11801080 its reverse (8010811), we get a palindrome (19811891).

It can be divided in two parts, 1 and 1801080, that added together give a palindrome (1801081).

The spelling of 11801080 in words is "eleven million, eight hundred one thousand, eighty".