499801536125 has 36 divisors (see below), whose sum is σ = 641441445372. Its totient is φ = 388807070400.

The previous prime is 499801536119. The next prime is 499801536149. The reversal of 499801536125 is 521635108994.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 18 ways, for example, as 456708343204 + 43093192921 = 675802^2 + 207589^2 .

It is not a de Polignac number, because 499801536125 - 2⁴ = 499801536109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 292451771 + ... + 292453479.

It is an arithmetic number, because the mean of its divisors is an integer number (17817817927).

Almost surely, 2^499801536125 is an apocalyptic number.

It is an amenable number.

499801536125 is a deficient number, since it is larger than the sum of its proper divisors (141639909247).

499801536125 is an frugal number, since it uses more digits than its factorization.

499801536125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 499801536125 in words is "four hundred ninety-nine billion, eight hundred one million, five hundred thirty-six thousand, one hundred twenty-five".