14420054253515 has 4 divisors (see below), whose sum is σ = 17304065104224. Its totient is φ = 11536043402808.

The previous prime is 14420054253503. The next prime is 14420054253523. The reversal of 14420054253515 is 51535245002441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14420054253515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442005425347 + ... + 1442005425356.

It is an arithmetic number, because the mean of its divisors is an integer number (4326016276056).

Almost surely, 2^{14420054253515} is an apocalyptic number.

14420054253515 is a deficient number, since it is larger than the sum of its proper divisors (2884010850709).

14420054253515 is an equidigital number, since it uses as much as digits as its factorization.

14420054253515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884010850708.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 14420054253515 its reverse (51535245002441), we get a palindrome (65955299255956).

The spelling of 14420054253515 in words is "fourteen trillion, four hundred twenty billion, fifty-four million, two hundred fifty-three thousand, five hundred fifteen".