82422561353561 has 8 divisors (see below), whose sum is σ = 96832100051904. Its totient is φ = 69165785751120.

The previous prime is 82422561353551. The next prime is 82422561353621. The reversal of 82422561353561 is 16535316522428.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82422561353561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82422561353521) 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, 288190773821 + ... + 288190774106.

It is an arithmetic number, because the mean of its divisors is an integer number (12104012506488).

Almost surely, 2^{82422561353561} is an apocalyptic number.

It is an amenable number.

82422561353561 is a deficient number, since it is larger than the sum of its proper divisors (14409538698343).

82422561353561 is a wasteful number, since it uses less digits than its factorization.

82422561353561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576381547951.

The product of its digits is 10368000, while the sum is 53.

Adding to 82422561353561 its reverse (16535316522428), we get a palindrome (98957877875989).

The spelling of 82422561353561 in words is "eighty-two trillion, four hundred twenty-two billion, five hundred sixty-one million, three hundred fifty-three thousand, five hundred sixty-one".