10771860509 has 8 divisors (see below), whose sum is σ = 10921498680. Its totient is φ = 10622278656.

The previous prime is 10771860499. The next prime is 10771860511. The reversal of 10771860509 is 90506817701.

It can be written as a sum of positive squares in 4 ways, for example, as 4173547609 + 6598312900 = 64603^2 + 81230^2 .

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 10771860509 - 2¹² = 10771856413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10771860509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10771860559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500237 + ... + 521325.

It is an arithmetic number, because the mean of its divisors is an integer number (1365187335).

Almost surely, 2^10771860509 is an apocalyptic number.

It is an amenable number.

10771860509 is a deficient number, since it is larger than the sum of its proper divisors (149638171).

10771860509 is an equidigital number, since it uses as much as digits as its factorization.

10771860509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28159.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 10771860509 in words is "ten billion, seven hundred seventy-one million, eight hundred sixty thousand, five hundred nine".