15782681040745 has 16 divisors (see below), whose sum is σ = 19066264463232. Its totient is φ = 12541460918400.

The previous prime is 15782681040713. The next prime is 15782681040773. The reversal of 15782681040745 is 54704018628751.

It is not a de Polignac number, because 15782681040745 - 2⁵ = 15782681040713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15782681040745.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8050614 + ... + 9817216.

It is an arithmetic number, because the mean of its divisors is an integer number (1191641528952).

Almost surely, 2^{15782681040745} is an apocalyptic number.

It is an amenable number.

15782681040745 is a deficient number, since it is larger than the sum of its proper divisors (3283583422487).

15782681040745 is a wasteful number, since it uses less digits than its factorization.

15782681040745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778592.

The product of its (nonzero) digits is 15052800, while the sum is 58.

The spelling of 15782681040745 in words is "fifteen trillion, seven hundred eighty-two billion, six hundred eighty-one million, forty thousand, seven hundred forty-five".