14121520045511 has 16 divisors (see below), whose sum is σ = 14222517561600. Its totient is φ = 14020837871040.

The previous prime is 14121520045469. The next prime is 14121520045513. The reversal of 14121520045511 is 11554002512141.

It is a cyclic number.

It is not a de Polignac number, because 14121520045511 - 2²² = 14121515851207 is a prime.

It is a super-2 number, since 2×14121520045511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121520045513) 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, 422441780 + ... + 422475206.

It is an arithmetic number, because the mean of its divisors is an integer number (888907347600).

Almost surely, 2^{14121520045511} is an apocalyptic number.

14121520045511 is a deficient number, since it is larger than the sum of its proper divisors (100997516089).

14121520045511 is a wasteful number, since it uses less digits than its factorization.

14121520045511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38054.

The product of its (nonzero) digits is 8000, while the sum is 32.

Adding to 14121520045511 its reverse (11554002512141), we get a palindrome (25675522557652).

The spelling of 14121520045511 in words is "fourteen trillion, one hundred twenty-one billion, five hundred twenty million, forty-five thousand, five hundred eleven".