825265197801 has 12 divisors (see below), whose sum is σ = 1300417887600. Its totient is φ = 500160725880.

The previous prime is 825265197793. The next prime is 825265197881. The reversal of 825265197801 is 108791562528.

825265197801 is a `hidden beast` number, since 8 + 2 + 52 + 6 + 519 + 78 + 0 + 1 = 666.

It is not a de Polignac number, because 825265197801 - 2³ = 825265197793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (825265197881) 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 11 ways as a sum of consecutive naturals, for example, 4168005951 + ... + 4168006148.

It is an arithmetic number, because the mean of its divisors is an integer number (108368157300).

Almost surely, 2^825265197801 is an apocalyptic number.

It is an amenable number.

825265197801 is a deficient number, since it is larger than the sum of its proper divisors (475152689799).

825265197801 is a wasteful number, since it uses less digits than its factorization.

825265197801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336012116 (or 8336012113 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 825265197801 in words is "eight hundred twenty-five billion, two hundred sixty-five million, one hundred ninety-seven thousand, eight hundred one".