4322312115561 has 96 divisors (see below), whose sum is σ = 7085599597440. Its totient is φ = 2516208000000.

The previous prime is 4322312115553. The next prime is 4322312115577. The reversal of 4322312115561 is 1655112132234.

4322312115561 is a `hidden beast` number, since 4 + 32 + 2 + 31 + 21 + 15 + 561 = 666.

It is not a de Polignac number, because 4322312115561 - 2³ = 4322312115553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4322312115581) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73353211 + ... + 73412111.

It is an arithmetic number, because the mean of its divisors is an integer number (73808329140).

Almost surely, 2^{4322312115561} is an apocalyptic number.

4322312115561 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4322312115561 is a deficient number, since it is larger than the sum of its proper divisors (2763287481879).

4322312115561 is a wasteful number, since it uses less digits than its factorization.

4322312115561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59239 (or 59236 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 4322312115561 its reverse (1655112132234), we get a palindrome (5977424247795).

The spelling of 4322312115561 in words is "four trillion, three hundred twenty-two billion, three hundred twelve million, one hundred fifteen thousand, five hundred sixty-one".