16121488624841 has 2 divisors, whose sum is σ = 16121488624842. Its totient is φ = 16121488624840.

The previous prime is 16121488624793. The next prime is 16121488624849. The reversal of 16121488624841 is 14842688412161.

16121488624841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9643974975625 + 6477513649216 = 3105475^2 + 2545096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16121488624841 is a prime.

It is not a weakly prime, because it can be changed into another prime (16121488624849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8060744312420 + 8060744312421.

It is an arithmetic number, because the mean of its divisors is an integer number (8060744312421).

Almost surely, 2^{16121488624841} is an apocalyptic number.

It is an amenable number.

16121488624841 is a deficient number, since it is larger than the sum of its proper divisors (1).

16121488624841 is an equidigital number, since it uses as much as digits as its factorization.

16121488624841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4718592, while the sum is 56.

The spelling of 16121488624841 in words is "sixteen trillion, one hundred twenty-one billion, four hundred eighty-eight million, six hundred twenty-four thousand, eight hundred forty-one".