14254052215521 has 16 divisors (see below), whose sum is σ = 19184844718080. Its totient is φ = 9413396934480.

The previous prime is 14254052215451. The next prime is 14254052215547. The reversal of 14254052215521 is 12551225045241.

It is not a de Polignac number, because 14254052215521 - 2⁹ = 14254052215009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14254052215521.

It is not an unprimeable number, because it can be changed into a prime (14254052215321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51905275 + ... + 52179168.

It is an arithmetic number, because the mean of its divisors is an integer number (1199052794880).

Almost surely, 2^{14254052215521} is an apocalyptic number.

It is an amenable number.

14254052215521 is a deficient number, since it is larger than the sum of its proper divisors (4930792502559).

14254052215521 is a wasteful number, since it uses less digits than its factorization.

14254052215521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104084876.

The product of its (nonzero) digits is 160000, while the sum is 39.

The spelling of 14254052215521 in words is "fourteen trillion, two hundred fifty-four billion, fifty-two million, two hundred fifteen thousand, five hundred twenty-one".