11827520741 has 4 divisors (see below), whose sum is σ = 11828733900. Its totient is φ = 11826307584.

The previous prime is 11827520717. The next prime is 11827520777. The reversal of 11827520741 is 14702572811.

11827520741 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7245584641 + 4581936100 = 85121^2 + 67690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11827520741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11827520695 and 11827520704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11827520711) 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, 591836 + ... + 611493.

It is an arithmetic number, because the mean of its divisors is an integer number (2957183475).

Almost surely, 2^11827520741 is an apocalyptic number.

It is an amenable number.

11827520741 is a deficient number, since it is larger than the sum of its proper divisors (1213159).

11827520741 is an equidigital number, since it uses as much as digits as its factorization.

11827520741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213158.

The product of its (nonzero) digits is 31360, while the sum is 38.

The spelling of 11827520741 in words is "eleven billion, eight hundred twenty-seven million, five hundred twenty thousand, seven hundred forty-one".