10981779583 has 8 divisors (see below), whose sum is σ = 11021239152. Its totient is φ = 10942344576.

The previous prime is 10981779569. The next prime is 10981779593. The reversal of 10981779583 is 38597718901.

10981779583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10981779583 - 2¹³ = 10981771391 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 (10981779593) 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 7 ways as a sum of consecutive naturals, for example, 1751991 + ... + 1758247.

It is an arithmetic number, because the mean of its divisors is an integer number (1377654894).

Almost surely, 2^10981779583 is an apocalyptic number.

10981779583 is a deficient number, since it is larger than the sum of its proper divisors (39459569).

10981779583 is an equidigital number, since it uses as much as digits as its factorization.

10981779583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281.

The product of its (nonzero) digits is 3810240, while the sum is 58.

The spelling of 10981779583 in words is "ten billion, nine hundred eighty-one million, seven hundred seventy-nine thousand, five hundred eighty-three".