16123042161131 has 4 divisors (see below), whose sum is σ = 16350127262064. Its totient is φ = 15895957060200.

The previous prime is 16123042161097. The next prime is 16123042161133. The reversal of 16123042161131 is 13116124032161.

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

It is a cyclic number.

It is not a de Polignac number, because 16123042161131 - 2⁶ = 16123042161067 is a prime.

It is a super-2 number, since 2×16123042161131² (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 (16123042161133) 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, 113542550360 + ... + 113542550501.

It is an arithmetic number, because the mean of its divisors is an integer number (4087531815516).

Almost surely, 2^{16123042161131} is an apocalyptic number.

16123042161131 is a deficient number, since it is larger than the sum of its proper divisors (227085100933).

16123042161131 is an equidigital number, since it uses as much as digits as its factorization.

16123042161131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227085100932.

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 16123042161131 its reverse (13116124032161), we get a palindrome (29239166193292).

The spelling of 16123042161131 in words is "sixteen trillion, one hundred twenty-three billion, forty-two million, one hundred sixty-one thousand, one hundred thirty-one".