16007455457281 has 2 divisors, whose sum is σ = 16007455457282. Its totient is φ = 16007455457280.

The previous prime is 16007455457243. The next prime is 16007455457291. The reversal of 16007455457281 is 18275455470061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11823041556225 + 4184413901056 = 3438465^2 + 2045584^2 .

It is a cyclic number.

It is not a de Polignac number, because 16007455457281 - 2¹⁷ = 16007455326209 is a prime.

It is a super-2 number, since 2×16007455457281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16007455457291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8003727728640 + 8003727728641.

It is an arithmetic number, because the mean of its divisors is an integer number (8003727728641).

Almost surely, 2^{16007455457281} is an apocalyptic number.

It is an amenable number.

16007455457281 is a deficient number, since it is larger than the sum of its proper divisors (1).

16007455457281 is an equidigital number, since it uses as much as digits as its factorization.

16007455457281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 16007455457281 in words is "sixteen trillion, seven billion, four hundred fifty-five million, four hundred fifty-seven thousand, two hundred eighty-one".