502546245561 has 12 divisors (see below), whose sum is σ = 727980080100. Its totient is φ = 334070854560.

The previous prime is 502546245559. The next prime is 502546245587. The reversal of 502546245561 is 165542645205.

502546245561 is a `hidden beast` number, since 5 + 0 + 2 + 5 + 46 + 2 + 45 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 265708289961 + 236837955600 = 515469^2 + 486660^2 .

It is not a de Polignac number, because 502546245561 - 2¹ = 502546245559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (502546244561) 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 11 ways as a sum of consecutive naturals, for example, 79994670 + ... + 80000951.

It is an arithmetic number, because the mean of its divisors is an integer number (60665006675).

Almost surely, 2^502546245561 is an apocalyptic number.

It is an amenable number.

502546245561 is a deficient number, since it is larger than the sum of its proper divisors (225433834539).

502546245561 is a wasteful number, since it uses less digits than its factorization.

502546245561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159995976 (or 159995973 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 502546245561 in words is "five hundred two billion, five hundred forty-six million, two hundred forty-five thousand, five hundred sixty-one".