14203552015553 has 4 divisors (see below), whose sum is σ = 14203687832880. Its totient is φ = 14203416198228.

The previous prime is 14203552015483. The next prime is 14203552015603. The reversal of 14203552015553 is 35551025530241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14203552015553 - 2¹⁸ = 14203551753409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14203552015553.

It is not an unprimeable number, because it can be changed into a prime (14203552015453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67751675 + ... + 67960992.

It is an arithmetic number, because the mean of its divisors is an integer number (3550921958220).

Almost surely, 2^{14203552015553} is an apocalyptic number.

It is an amenable number.

14203552015553 is a deficient number, since it is larger than the sum of its proper divisors (135817327).

14203552015553 is a wasteful number, since it uses less digits than its factorization.

14203552015553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135817326.

The product of its (nonzero) digits is 450000, while the sum is 41.

Adding to 14203552015553 its reverse (35551025530241), we get a palindrome (49754577545794).

The spelling of 14203552015553 in words is "fourteen trillion, two hundred three billion, five hundred fifty-two million, fifteen thousand, five hundred fifty-three".