8211211713044 has 6 divisors (see below), whose sum is σ = 14369620497834. Its totient is φ = 4105605856520.

The previous prime is 8211211713043. The next prime is 8211211713109. The reversal of 8211211713044 is 4403171121128.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7560366150544 + 650845562500 = 2749612^2 + 806750^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8211211712995 and 8211211713013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8211211713043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026401464127 + ... + 1026401464134.

It is an arithmetic number, because the mean of its divisors is an integer number (2394936749639).

Almost surely, 2^{8211211713044} is an apocalyptic number.

It is an amenable number.

8211211713044 is a deficient number, since it is larger than the sum of its proper divisors (6158408784790).

8211211713044 is a wasteful number, since it uses less digits than its factorization.

8211211713044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052802928265 (or 2052802928263 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 8211211713044 in words is "eight trillion, two hundred eleven billion, two hundred eleven million, seven hundred thirteen thousand, forty-four".