820852699911 has 8 divisors (see below), whose sum is σ = 1096273350144. Its totient is φ = 546333591480.

The previous prime is 820852699879. The next prime is 820852699937. The reversal of 820852699911 is 119996258028.

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

It is not a de Polignac number, because 820852699911 - 2⁵ = 820852699879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820852699951) 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, 225383325 + ... + 225386966.

It is an arithmetic number, because the mean of its divisors is an integer number (137034168768).

Almost surely, 2^820852699911 is an apocalyptic number.

820852699911 is a deficient number, since it is larger than the sum of its proper divisors (275420650233).

820852699911 is a wasteful number, since it uses less digits than its factorization.

820852699911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450770901.

The product of its (nonzero) digits is 5598720, while the sum is 60.

The spelling of 820852699911 in words is "eight hundred twenty billion, eight hundred fifty-two million, six hundred ninety-nine thousand, nine hundred eleven".