64583085811 has 8 divisors (see below), whose sum is σ = 66825015120. Its totient is φ = 62342151648.

The previous prime is 64583085779. The next prime is 64583085851. The reversal of 64583085811 is 11858038546.

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 64583085811 - 2⁵ = 64583085779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64583085851) 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, 115521 + ... + 377506.

It is an arithmetic number, because the mean of its divisors is an integer number (8353126890).

Almost surely, 2^64583085811 is an apocalyptic number.

64583085811 is a deficient number, since it is larger than the sum of its proper divisors (2241929309).

64583085811 is a wasteful number, since it uses less digits than its factorization.

64583085811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497573.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 64583085811 in words is "sixty-four billion, five hundred eighty-three million, eighty-five thousand, eight hundred eleven".