16325111121 has 16 divisors (see below), whose sum is σ = 24297841920. Its totient is φ = 9663912720.

The previous prime is 16325111071. The next prime is 16325111137. The reversal of 16325111121 is 12111152361.

It is not a de Polignac number, because 16325111121 - 2⁷ = 16325110993 is a prime.

It is a super-2 number, since 2×16325111121² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16325111091 and 16325111100.

It is not an unprimeable number, because it can be changed into a prime (16325111171) 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, 5750911 + ... + 5753748.

It is an arithmetic number, because the mean of its divisors is an integer number (1518615120).

Almost surely, 2^16325111121 is an apocalyptic number.

16325111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16325111121 is a deficient number, since it is larger than the sum of its proper divisors (7972730799).

16325111121 is a wasteful number, since it uses less digits than its factorization.

16325111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504716.

The product of its digits is 360, while the sum is 24.

Adding to 16325111121 its reverse (12111152361), we get a palindrome (28436263482).

The spelling of 16325111121 in words is "sixteen billion, three hundred twenty-five million, one hundred eleven thousand, one hundred twenty-one".