16126253605331 has 4 divisors (see below), whose sum is σ = 16132322954472. Its totient is φ = 16120184256192.

The previous prime is 16126253605321. The next prime is 16126253605333. The reversal of 16126253605331 is 13350635262161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16126253605331 is a prime.

It is a super-2 number, since 2×16126253605331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16126253605333) 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, 3034670585 + ... + 3034675898.

It is an arithmetic number, because the mean of its divisors is an integer number (4033080738618).

Almost surely, 2^{16126253605331} is an apocalyptic number.

16126253605331 is a deficient number, since it is larger than the sum of its proper divisors (6069349141).

16126253605331 is an equidigital number, since it uses as much as digits as its factorization.

16126253605331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069349140.

The product of its (nonzero) digits is 583200, while the sum is 44.

Adding to 16126253605331 its reverse (13350635262161), we get a palindrome (29476888867492).

The spelling of 16126253605331 in words is "sixteen trillion, one hundred twenty-six billion, two hundred fifty-three million, six hundred five thousand, three hundred thirty-one".