11835641716 has 12 divisors (see below), whose sum is σ = 20764027620. Its totient is φ = 5903062400.

The previous prime is 11835641711. The next prime is 11835641717. The reversal of 11835641716 is 61714653811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6998995600 + 4836646116 = 83660^2 + 69546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11835641711) 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, 3687811 + ... + 3691018.

It is an arithmetic number, because the mean of its divisors is an integer number (1730335635).

Almost surely, 2^11835641716 is an apocalyptic number.

It is an amenable number.

11835641716 is a deficient number, since it is larger than the sum of its proper divisors (8928385904).

11835641716 is a wasteful number, since it uses less digits than its factorization.

11835641716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379234 (or 7379232 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The spelling of 11835641716 in words is "eleven billion, eight hundred thirty-five million, six hundred forty-one thousand, seven hundred sixteen".