232115355617 has 8 divisors (see below), whose sum is σ = 238815041640. Its totient is φ = 225465114240.

The previous prime is 232115355613. The next prime is 232115355629. The reversal of 232115355617 is 716553511232.

It can be written as a sum of positive squares in 4 ways, for example, as 1699995361 + 230415360256 = 41231^2 + 480016^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 232115355617 - 2² = 232115355613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232115355611) 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, 12351638 + ... + 12370415.

It is an arithmetic number, because the mean of its divisors is an integer number (29851880205).

Almost surely, 2^232115355617 is an apocalyptic number.

It is an amenable number.

232115355617 is a deficient number, since it is larger than the sum of its proper divisors (6699686023).

232115355617 is a wasteful number, since it uses less digits than its factorization.

232115355617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24722323.

The product of its digits is 189000, while the sum is 41.

Adding to 232115355617 its reverse (716553511232), we get a palindrome (948668866849).

The spelling of 232115355617 in words is "two hundred thirty-two billion, one hundred fifteen million, three hundred fifty-five thousand, six hundred seventeen".