82010125485 has 20 divisors (see below), whose sum is σ = 147010744188. Its totient is φ = 43738733376.

The previous prime is 82010125481. The next prime is 82010125487. The reversal of 82010125485 is 58452101028.

82010125485 is a `hidden beast` number, since 8 + 2 + 0 + 101 + 2 + 548 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57252047076 + 24758078409 = 239274^2 + 157347^2 .

It is not a de Polignac number, because 82010125485 - 2² = 82010125481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82010125481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101246664 + ... + 101247473.

Almost surely, 2^82010125485 is an apocalyptic number.

It is an amenable number.

82010125485 is a deficient number, since it is larger than the sum of its proper divisors (65000618703).

82010125485 is a wasteful number, since it uses less digits than its factorization.

82010125485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202494154 (or 202494145 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 82010125485 in words is "eighty-two billion, ten million, one hundred twenty-five thousand, four hundred eighty-five".