14121141551005 has 4 divisors (see below), whose sum is σ = 16945369861212. Its totient is φ = 11296913240800.

The previous prime is 14121141550939. The next prime is 14121141551009. The reversal of 14121141551005 is 50015514112141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2885914644804 + 11235226906201 = 1698798^2 + 3351899^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14121141551005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121141551009) 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, 1412114155096 + ... + 1412114155105.

It is an arithmetic number, because the mean of its divisors is an integer number (4236342465303).

Almost surely, 2^{14121141551005} is an apocalyptic number.

It is an amenable number.

14121141551005 is a deficient number, since it is larger than the sum of its proper divisors (2824228310207).

14121141551005 is an equidigital number, since it uses as much as digits as its factorization.

14121141551005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824228310206.

The product of its (nonzero) digits is 4000, while the sum is 31.

Adding to 14121141551005 its reverse (50015514112141), we get a palindrome (64136655663146).

The spelling of 14121141551005 in words is "fourteen trillion, one hundred twenty-one billion, one hundred forty-one million, five hundred fifty-one thousand, five".