11081445080 has 64 divisors (see below), whose sum is σ = 26100066240. Its totient is φ = 4226371072.

The previous prime is 11081445079. The next prime is 11081445083. The reversal of 11081445080 is 8054418011.

It is a happy number.

It is a super-2 number, since 2×11081445080² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081445083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272642 + ... + 310638.

It is an arithmetic number, because the mean of its divisors is an integer number (407813535).

Almost surely, 2^11081445080 is an apocalyptic number.

11081445080 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 11081445080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13050033120).

11081445080 is an abundant number, since it is smaller than the sum of its proper divisors (15018621160).

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

11081445080 is a wasteful number, since it uses less digits than its factorization.

11081445080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38348 (or 38344 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The spelling of 11081445080 in words is "eleven billion, eighty-one million, four hundred forty-five thousand, eighty".