351824720085 has 24 divisors (see below), whose sum is σ = 612719718624. Its totient is φ = 186750557280.

The previous prime is 351824720083. The next prime is 351824720101. The reversal of 351824720085 is 580027428153.

It is not a de Polignac number, because 351824720085 - 2¹ = 351824720083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 351824720085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351824720081) 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 23 ways as a sum of consecutive naturals, for example, 18517347 + ... + 18536336.

It is an arithmetic number, because the mean of its divisors is an integer number (25529988276).

Almost surely, 2^351824720085 is an apocalyptic number.

It is an amenable number.

351824720085 is a deficient number, since it is larger than the sum of its proper divisors (260894998539).

351824720085 is a wasteful number, since it uses less digits than its factorization.

351824720085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37053905 (or 37053902 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 351824720085 in words is "three hundred fifty-one billion, eight hundred twenty-four million, seven hundred twenty thousand, eighty-five".