82125202651017 has 4 divisors (see below), whose sum is σ = 109500270201360. Its totient is φ = 54750135100676.

The previous prime is 82125202650983. The next prime is 82125202651073. The reversal of 82125202651017 is 71015620252128.

82125202651017 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82125202651017 - 2⁷ = 82125202650889 is a prime.

It is a super-2 number, since 2×82125202651017² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82125202651017.

It is not an unprimeable number, because it can be changed into a prime (82125202653017) 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, 13687533775167 + ... + 13687533775172.

It is an arithmetic number, because the mean of its divisors is an integer number (27375067550340).

Almost surely, 2^{82125202651017} is an apocalyptic number.

It is an amenable number.

82125202651017 is a deficient number, since it is larger than the sum of its proper divisors (27375067550343).

82125202651017 is a wasteful number, since it uses less digits than its factorization.

82125202651017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27375067550342.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 82125202651017 in words is "eighty-two trillion, one hundred twenty-five billion, two hundred two million, six hundred fifty-one thousand, seventeen".