16031389811 has 16 divisors (see below), whose sum is σ = 16275168000. Its totient is φ = 15789697248.

The previous prime is 16031389807. The next prime is 16031389831. The reversal of 16031389811 is 11898313061.

It is not a de Polignac number, because 16031389811 - 2² = 16031389807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16031389831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24931856 + ... + 24932498.

It is an arithmetic number, because the mean of its divisors is an integer number (1017198000).

Almost surely, 2^16031389811 is an apocalyptic number.

16031389811 is a deficient number, since it is larger than the sum of its proper divisors (243778189).

16031389811 is a wasteful number, since it uses less digits than its factorization.

16031389811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 16031389811 in words is "sixteen billion, thirty-one million, three hundred eighty-nine thousand, eight hundred eleven".