2640512220711 has 8 divisors (see below), whose sum is σ = 3528033031680. Its totient is φ = 1756666445112.

The previous prime is 2640512220677. The next prime is 2640512220739. The reversal of 2640512220711 is 1170222150462.

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

It is not a de Polignac number, because 2640512220711 - 2⁷ = 2640512220583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640512120711) 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, 918757165 + ... + 918760038.

It is an arithmetic number, because the mean of its divisors is an integer number (441004128960).

Almost surely, 2^{2640512220711} is an apocalyptic number.

2640512220711 is a deficient number, since it is larger than the sum of its proper divisors (887520810969).

2640512220711 is a wasteful number, since it uses less digits than its factorization.

2640512220711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837517685.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 2640512220711 in words is "two trillion, six hundred forty billion, five hundred twelve million, two hundred twenty thousand, seven hundred eleven".