11056941780 has 96 divisors (see below), whose sum is σ = 32998129920. Its totient is φ = 2756659200.

The previous prime is 11056941773. The next prime is 11056941781. The reversal of 11056941780 is 8714965011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056941781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118126 + ... + 189914.

It is an arithmetic number, because the mean of its divisors is an integer number (343730520).

Almost surely, 2^11056941780 is an apocalyptic number.

11056941780 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 11056941780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16499064960).

11056941780 is an abundant number, since it is smaller than the sum of its proper divisors (21941188140).

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

11056941780 is a wasteful number, since it uses less digits than its factorization.

11056941780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71969 (or 71967 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 11056941780 in words is "eleven billion, fifty-six million, nine hundred forty-one thousand, seven hundred eighty".