16111231639744 has 28 divisors (see below), whose sum is σ = 32040683166664. Its totient is φ = 8037988637184.

The previous prime is 16111231639717. The next prime is 16111231639747. The reversal of 16111231639744 is 44793613211161.

It is not an unprimeable number, because it can be changed into a prime (16111231639747) 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, 275395254 + ... + 275453749.

Almost surely, 2^{16111231639744} is an apocalyptic number.

It is an amenable number.

16111231639744 is a deficient number, since it is larger than the sum of its proper divisors (15929451526920).

16111231639744 is an equidigital number, since it uses as much as digits as its factorization.

16111231639744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550849472 (or 550849462 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The spelling of 16111231639744 in words is "sixteen trillion, one hundred eleven billion, two hundred thirty-one million, six hundred thirty-nine thousand, seven hundred forty-four".