82515109601 has 8 divisors (see below), whose sum is σ = 84370196064. Its totient is φ = 80680521600.

The previous prime is 82515109597. The next prime is 82515109613. The reversal of 82515109601 is 10690151528.

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 82515109601 - 2² = 82515109597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82515109631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5116475 + ... + 5132576.

It is an arithmetic number, because the mean of its divisors is an integer number (10546274508).

Almost surely, 2^82515109601 is an apocalyptic number.

It is an amenable number.

82515109601 is a deficient number, since it is larger than the sum of its proper divisors (1855086463).

82515109601 is a wasteful number, since it uses less digits than its factorization.

82515109601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249231.

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 82515109601 in words is "eighty-two billion, five hundred fifteen million, one hundred nine thousand, six hundred one".