852232422113441 has 4 divisors (see below), whose sum is σ = 852987278112900. Its totient is φ = 851477566113984.

The previous prime is 852232422113393. The next prime is 852232422113459. The reversal of 852232422113441 is 144311224232258.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137396000332816 + 714836421780625 = 11721604^2 + 26736425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852232422113441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 852232422113392 and 852232422113401.

It is not an unprimeable number, because it can be changed into a prime (852232422113491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377427998036 + ... + 377428000293.

It is an arithmetic number, because the mean of its divisors is an integer number (213246819528225).

Almost surely, 2^{852232422113441} is an apocalyptic number.

It is an amenable number.

852232422113441 is a deficient number, since it is larger than the sum of its proper divisors (754855999459).

852232422113441 is a wasteful number, since it uses less digits than its factorization.

852232422113441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754855999458.

The product of its digits is 737280, while the sum is 44.

Adding to 852232422113441 its reverse (144311224232258), we get a palindrome (996543646345699).

The spelling of 852232422113441 in words is "eight hundred fifty-two trillion, two hundred thirty-two billion, four hundred twenty-two million, one hundred thirteen thousand, four hundred forty-one".