11219980940 has 24 divisors (see below), whose sum is σ = 26927954592. Its totient is φ = 3846850560.

The previous prime is 11219980907. The next prime is 11219980951. The reversal of 11219980940 is 4908991211.

It is a junction number, because it is equal to n+sod(n) for n = 11219980891 and 11219980900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40071221 + ... + 40071500.

It is an arithmetic number, because the mean of its divisors is an integer number (1121998108).

Almost surely, 2^11219980940 is an apocalyptic number.

11219980940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11219980940 is an abundant number, since it is smaller than the sum of its proper divisors (15707973652).

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

11219980940 is a wasteful number, since it uses less digits than its factorization.

11219980940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80142737 (or 80142735 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 44.

The spelling of 11219980940 in words is "eleven billion, two hundred nineteen million, nine hundred eighty thousand, nine hundred forty".