16275485205503 has 8 divisors (see below), whose sum is σ = 16522914499200. Its totient is φ = 16028561387160.

The previous prime is 16275485205479. The next prime is 16275485205541. The reversal of 16275485205503 is 30550258457261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16275485205503 - 2⁶ = 16275485205439 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 (16275485205593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126303953 + ... + 126432746.

It is an arithmetic number, because the mean of its divisors is an integer number (2065364312400).

Almost surely, 2^{16275485205503} is an apocalyptic number.

16275485205503 is a deficient number, since it is larger than the sum of its proper divisors (247429293697).

16275485205503 is an equidigital number, since it uses as much as digits as its factorization.

16275485205503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252737677.

The product of its (nonzero) digits is 10080000, while the sum is 53.

The spelling of 16275485205503 in words is "sixteen trillion, two hundred seventy-five billion, four hundred eighty-five million, two hundred five thousand, five hundred three".