16000111131 has 4 divisors (see below), whose sum is σ = 21333481512. Its totient is φ = 10666740752.

The previous prime is 16000111097. The next prime is 16000111163. The reversal of 16000111131 is 13111100061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13111100061 = 3 ⋅4370366687.

It is a cyclic number.

It is not a de Polignac number, because 16000111131 - 2³⁰ = 14926369307 is a prime.

It is a super-2 number, since 2×16000111131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16000111131.

It is not an unprimeable number, because it can be changed into a prime (16000111031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666685186 + ... + 2666685191.

It is an arithmetic number, because the mean of its divisors is an integer number (5333370378).

Almost surely, 2^16000111131 is an apocalyptic number.

16000111131 is a deficient number, since it is larger than the sum of its proper divisors (5333370381).

16000111131 is an equidigital number, since it uses as much as digits as its factorization.

16000111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333370380.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 16000111131 its reverse (13111100061), we get a palindrome (29111211192).

The spelling of 16000111131 in words is "sixteen billion, one hundred eleven thousand, one hundred thirty-one".