496017852561 has 24 divisors (see below), whose sum is σ = 893261588544. Its totient is φ = 257671611360.

The previous prime is 496017852553. The next prime is 496017852619. The reversal of 496017852561 is 165258710694.

It is a happy number.

496017852561 is a `hidden beast` number, since 4 + 9 + 6 + 0 + 1 + 78 + 5 + 2 + 561 = 666.

It is not a de Polignac number, because 496017852561 - 2³ = 496017852553 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 496017852498 and 496017852507.

It is not an unprimeable number, because it can be changed into a prime (496017852521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357876546 + ... + 357877931.

It is an arithmetic number, because the mean of its divisors is an integer number (37219232856).

Almost surely, 2^496017852561 is an apocalyptic number.

It is an amenable number.

496017852561 is a deficient number, since it is larger than the sum of its proper divisors (397243735983).

496017852561 is a wasteful number, since it uses less digits than its factorization.

496017852561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715754501 (or 715754498 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 496017852561 in words is "four hundred ninety-six billion, seventeen million, eight hundred fifty-two thousand, five hundred sixty-one".