16780436825041 has 4 divisors (see below), whose sum is σ = 17321741238784. Its totient is φ = 16239132411300.

The previous prime is 16780436825039. The next prime is 16780436825063. The reversal of 16780436825041 is 14052863408761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16780436825041 - 2¹ = 16780436825039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16780436825641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270652206825 + ... + 270652206886.

It is an arithmetic number, because the mean of its divisors is an integer number (4330435309696).

Almost surely, 2^{16780436825041} is an apocalyptic number.

It is an amenable number.

16780436825041 is a deficient number, since it is larger than the sum of its proper divisors (541304413743).

16780436825041 is an equidigital number, since it uses as much as digits as its factorization.

16780436825041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541304413742.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 16780436825041 in words is "sixteen trillion, seven hundred eighty billion, four hundred thirty-six million, eight hundred twenty-five thousand, forty-one".