825490579311 has 6 divisors (see below), whose sum is σ = 1192375281240. Its totient is φ = 550327052868.

The previous prime is 825490579259. The next prime is 825490579327. The reversal of 825490579311 is 113975094528.

It is a happy number.

825490579311 is a `hidden beast` number, since 8 + 2 + 5 + 490 + 57 + 93 + 11 = 666.

825490579311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 825490579311 - 2⁹ = 825490578799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825490579351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45860587731 + ... + 45860587748.

It is an arithmetic number, because the mean of its divisors is an integer number (198729213540).

Almost surely, 2^825490579311 is an apocalyptic number.

825490579311 is a deficient number, since it is larger than the sum of its proper divisors (366884701929).

825490579311 is a wasteful number, since it uses less digits than its factorization.

825490579311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91721175485 (or 91721175482 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 825490579311 in words is "eight hundred twenty-five billion, four hundred ninety million, five hundred seventy-nine thousand, three hundred eleven".