16026339631121 has 4 divisors (see below), whose sum is σ = 16084196453172. Its totient is φ = 15968482809072.

The previous prime is 16026339631091. The next prime is 16026339631297. The reversal of 16026339631121 is 12113693362061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1344414741121 + 14681924890000 = 1159489^2 + 3831700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16026339631121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16026339631321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28928410610 + ... + 28928411163.

It is an arithmetic number, because the mean of its divisors is an integer number (4021049113293).

Almost surely, 2^{16026339631121} is an apocalyptic number.

It is an amenable number.

16026339631121 is a deficient number, since it is larger than the sum of its proper divisors (57856822051).

16026339631121 is an equidigital number, since it uses as much as digits as its factorization.

16026339631121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57856822050.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 16026339631121 in words is "sixteen trillion, twenty-six billion, three hundred thirty-nine million, six hundred thirty-one thousand, one hundred twenty-one".