11640744413211 has 32 divisors (see below), whose sum is σ = 15846723019008. Its totient is φ = 7599737364480.

The previous prime is 11640744413203. The next prime is 11640744413231. The reversal of 11640744413211 is 11231444704611.

It is a happy number.

It is not a de Polignac number, because 11640744413211 - 2³ = 11640744413203 is a prime.

It is a super-2 number, since 2×11640744413211² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11640744413211.

It is not an unprimeable number, because it can be changed into a prime (11640744413201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10226731 + ... + 11307851.

It is an arithmetic number, because the mean of its divisors is an integer number (495210094344).

Almost surely, 2^{11640744413211} is an apocalyptic number.

11640744413211 is a deficient number, since it is larger than the sum of its proper divisors (4205978605797).

11640744413211 is a wasteful number, since it uses less digits than its factorization.

11640744413211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081611.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 11640744413211 in words is "eleven trillion, six hundred forty billion, seven hundred forty-four million, four hundred thirteen thousand, two hundred eleven".