2640412218611 has 8 divisors (see below), whose sum is σ = 2644531558560. Its totient is φ = 2636296091968.

The previous prime is 2640412218599. The next prime is 2640412218637. The reversal of 2640412218611 is 1168122140462.

2640412218611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2640412218611 - 2¹⁰ = 2640412217587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640412218811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844010 + ... + 2448096.

It is an arithmetic number, because the mean of its divisors is an integer number (330566444820).

Almost surely, 2^{2640412218611} is an apocalyptic number.

2640412218611 is a deficient number, since it is larger than the sum of its proper divisors (4119339949).

2640412218611 is a wasteful number, since it uses less digits than its factorization.

2640412218611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606653.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 2640412218611 in words is "two trillion, six hundred forty billion, four hundred twelve million, two hundred eighteen thousand, six hundred eleven".