11319980 has 36 divisors (see below), whose sum is σ = 27655488. Its totient is φ = 3880800.

The previous prime is 11319967. The next prime is 11319983. The reversal of 11319980 is 8991311.

It is not an unprimeable number, because it can be changed into a prime (11319983) 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 11 ways as a sum of consecutive naturals, for example, 4796 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (768208).

Almost surely, 2^11319980 is an apocalyptic number.

11319980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11319980 is an abundant number, since it is smaller than the sum of its proper divisors (16335508).

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

11319980 is a wasteful number, since it uses less digits than its factorization.

11319980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11574 (or 11565 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 11319980 is about 3364.5177960593. The cubic root of 11319980 is about 224.5338827800.

It can be divided in two parts, 1131 and 9980, that added together give a palindrome (11111).

The spelling of 11319980 in words is "eleven million, three hundred nineteen thousand, nine hundred eighty".