11745610771 has 4 divisors (see below), whose sum is σ = 11790271152. Its totient is φ = 11700950392.

The previous prime is 11745610759. The next prime is 11745610831. The reversal of 11745610771 is 17701654711.

11745610771 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 is a cyclic number.

It is not a de Polignac number, because 11745610771 - 2¹¹ = 11745608723 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11745640771) 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, 22329796 + ... + 22330321.

It is an arithmetic number, because the mean of its divisors is an integer number (2947567788).

Almost surely, 2^11745610771 is an apocalyptic number.

11745610771 is a deficient number, since it is larger than the sum of its proper divisors (44660381).

11745610771 is an equidigital number, since it uses as much as digits as its factorization.

11745610771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44660380.

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 11745610771 in words is "eleven billion, seven hundred forty-five million, six hundred ten thousand, seven hundred seventy-one".