16141238521 has 2 divisors, whose sum is σ = 16141238522. Its totient is φ = 16141238520.

The previous prime is 16141238507. The next prime is 16141238527. The reversal of 16141238521 is 12583214161.

16141238521 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., 14074263225 + 2066975296 = 118635^2 + 45464^2 .

It is a cyclic number.

It is not a de Polignac number, because 16141238521 - 2²³ = 16132849913 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (16141238527) 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, 8070619260 + 8070619261.

It is an arithmetic number, because the mean of its divisors is an integer number (8070619261).

Almost surely, 2^16141238521 is an apocalyptic number.

It is an amenable number.

16141238521 is a deficient number, since it is larger than the sum of its proper divisors (1).

16141238521 is an equidigital number, since it uses as much as digits as its factorization.

16141238521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The spelling of 16141238521 in words is "sixteen billion, one hundred forty-one million, two hundred thirty-eight thousand, five hundred twenty-one".