11081980829 has 4 divisors (see below), whose sum is σ = 11089715676. Its totient is φ = 11074245984.

The previous prime is 11081980823. The next prime is 11081980849. The reversal of 11081980829 is 92808918011.

11081980829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92808918011 = 569 ⋅163108819.

It can be written as a sum of positive squares in 2 ways, for example, as 10357132900 + 724847929 = 101770^2 + 26923^2 .

It is a cyclic number.

It is not a de Polignac number, because 11081980829 - 2²⁰ = 11080932253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081980823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865274 + ... + 3868139.

It is an arithmetic number, because the mean of its divisors is an integer number (2772428919).

Almost surely, 2^11081980829 is an apocalyptic number.

It is an amenable number.

11081980829 is a deficient number, since it is larger than the sum of its proper divisors (7734847).

11081980829 is an equidigital number, since it uses as much as digits as its factorization.

11081980829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734846.

The product of its (nonzero) digits is 82944, while the sum is 47.

The spelling of 11081980829 in words is "eleven billion, eighty-one million, nine hundred eighty thousand, eight hundred twenty-nine".