82575505171513 has 2 divisors, whose sum is σ = 82575505171514. Its totient is φ = 82575505171512.

The previous prime is 82575505171501. The next prime is 82575505171543. The reversal of 82575505171513 is 31517150557528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80657426978704 + 1918078192809 = 8980948^2 + 1384947^2 .

It is a cyclic number.

It is not a de Polignac number, because 82575505171513 - 2⁹ = 82575505171001 is a prime.

It is not a weakly prime, because it can be changed into another prime (82575505171543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41287752585756 + 41287752585757.

It is an arithmetic number, because the mean of its divisors is an integer number (41287752585757).

Almost surely, 2^{82575505171513} is an apocalyptic number.

It is an amenable number.

82575505171513 is a deficient number, since it is larger than the sum of its proper divisors (1).

82575505171513 is an equidigital number, since it uses as much as digits as its factorization.

82575505171513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350000, while the sum is 55.

The spelling of 82575505171513 in words is "eighty-two trillion, five hundred seventy-five billion, five hundred five million, one hundred seventy-one thousand, five hundred thirteen".