16000042501 has 2 divisors, whose sum is σ = 16000042502. Its totient is φ = 16000042500.

The previous prime is 16000042463. The next prime is 16000042537. The reversal of 16000042501 is 10524000061.

16000042501 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., 15989349601 + 10692900 = 126449^2 + 3270^2 .

It is an emirp because it is prime and its reverse (10524000061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16000042501 - 2⁹ = 16000041989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16000042801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000021250 + 8000021251.

It is an arithmetic number, because the mean of its divisors is an integer number (8000021251).

Almost surely, 2^16000042501 is an apocalyptic number.

It is an amenable number.

16000042501 is a deficient number, since it is larger than the sum of its proper divisors (1).

16000042501 is an equidigital number, since it uses as much as digits as its factorization.

16000042501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 16000042501 its reverse (10524000061), we get a palindrome (26524042562).

The spelling of 16000042501 in words is "sixteen billion, forty-two thousand, five hundred one".