16551441225041 has 2 divisors, whose sum is σ = 16551441225042. Its totient is φ = 16551441225040.

The previous prime is 16551441225031. The next prime is 16551441225101. The reversal of 16551441225041 is 14052214415561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10661015144641 + 5890426080400 = 3265121^2 + 2427020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16551441225041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16551441225041.

It is not a weakly prime, because it can be changed into another prime (16551441225031) by changing a digit.

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 as a sum of consecutive naturals, namely, 8275720612520 + 8275720612521.

It is an arithmetic number, because the mean of its divisors is an integer number (8275720612521).

Almost surely, 2^{16551441225041} is an apocalyptic number.

It is an amenable number.

16551441225041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16551441225041 is an equidigital number, since it uses as much as digits as its factorization.

16551441225041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 16551441225041 in words is "sixteen trillion, five hundred fifty-one billion, four hundred forty-one million, two hundred twenty-five thousand, forty-one".