16111040000 has 400 divisors, whose sum is σ = 46020268800. Its totient is φ = 5575680000.

The previous prime is 16111039999. The next prime is 16111040009. The reversal of 16111040000 is 4011161.

It is a tau number, because it is divible by the number of its divisors (400).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16111040009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80959901 + ... + 80960099.

It is an arithmetic number, because the mean of its divisors is an integer number (115050672).

Almost surely, 2^16111040000 is an apocalyptic number.

16111040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16111040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23010134400).

16111040000 is an abundant number, since it is smaller than the sum of its proper divisors (29909228800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16111040000 is an equidigital number, since it uses as much as digits as its factorization.

16111040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 16111040000 its reverse (4011161), we get a palindrome (16115051161).

The spelling of 16111040000 in words is "sixteen billion, one hundred eleven million, forty thousand".