14105545125 has 64 divisors (see below), whose sum is σ = 26872355328. Its totient is φ = 6436800000.

The previous prime is 14105545121. The next prime is 14105545151. The reversal of 14105545125 is 52154550141.

It is a happy number.

It is not a de Polignac number, because 14105545125 - 2² = 14105545121 is a prime.

It is a super-2 number, since 2×14105545125² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14105545121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1573155 + ... + 1582095.

It is an arithmetic number, because the mean of its divisors is an integer number (419880552).

Almost surely, 2^14105545125 is an apocalyptic number.

14105545125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14105545125 is a deficient number, since it is larger than the sum of its proper divisors (12766810203).

14105545125 is an equidigital number, since it uses as much as digits as its factorization.

14105545125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9567 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 14105545125 in words is "fourteen billion, one hundred five million, five hundred forty-five thousand, one hundred twenty-five".