11706824765 has 4 divisors (see below), whose sum is σ = 14048189724. Its totient is φ = 9365459808.

The previous prime is 11706824761. The next prime is 11706824807. The reversal of 11706824765 is 56742860711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1830042841 + 9876781924 = 42779^2 + 99382^2 .

It is a cyclic number.

It is not a de Polignac number, because 11706824765 - 2² = 11706824761 is a prime.

It is a super-3 number, since 3×11706824765³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11706824761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170682472 + ... + 1170682481.

It is an arithmetic number, because the mean of its divisors is an integer number (3512047431).

Almost surely, 2^11706824765 is an apocalyptic number.

It is an amenable number.

11706824765 is a deficient number, since it is larger than the sum of its proper divisors (2341364959).

11706824765 is an equidigital number, since it uses as much as digits as its factorization.

11706824765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341364958.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 11706824765 in words is "eleven billion, seven hundred six million, eight hundred twenty-four thousand, seven hundred sixty-five".