825605915199 has 32 divisors (see below), whose sum is σ = 1218914827200. Its totient is φ = 493830435840.

The previous prime is 825605915191. The next prime is 825605915203. The reversal of 825605915199 is 991519506528.

It is not a de Polignac number, because 825605915199 - 2³ = 825605915191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825605915191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529584 + ... + 1389845.

It is an arithmetic number, because the mean of its divisors is an integer number (38091088350).

Almost surely, 2^825605915199 is an apocalyptic number.

825605915199 is a deficient number, since it is larger than the sum of its proper divisors (393308912001).

825605915199 is a wasteful number, since it uses less digits than its factorization.

825605915199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919755.

The product of its (nonzero) digits is 8748000, while the sum is 60.

The spelling of 825605915199 in words is "eight hundred twenty-five billion, six hundred five million, nine hundred fifteen thousand, one hundred ninety-nine".