866247022311 has 8 divisors (see below), whose sum is σ = 1259995668864. Its totient is φ = 524998195320.

The previous prime is 866247022301. The next prime is 866247022313. The reversal of 866247022311 is 113220742668.

866247022311 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 de Polignac number, because none of the positive numbers 2^k-866247022311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866247022313) 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, 13124954851 + ... + 13124954916.

It is an arithmetic number, because the mean of its divisors is an integer number (157499458608).

Almost surely, 2^866247022311 is an apocalyptic number.

866247022311 is a deficient number, since it is larger than the sum of its proper divisors (393748646553).

866247022311 is a wasteful number, since it uses less digits than its factorization.

866247022311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26249909781.

The product of its (nonzero) digits is 193536, while the sum is 42.

Adding to 866247022311 its reverse (113220742668), we get a palindrome (979467764979).

The spelling of 866247022311 in words is "eight hundred sixty-six billion, two hundred forty-seven million, twenty-two thousand, three hundred eleven".