16263415213503 has 8 divisors (see below), whose sum is σ = 21703863109248. Its totient is φ = 10832622063384.

The previous prime is 16263415213501. The next prime is 16263415213517. The reversal of 16263415213503 is 30531251436261.

It is a happy number.

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

It is not a de Polignac number, because 16263415213503 - 2¹ = 16263415213501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16263415213501) 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, 2413682475 + ... + 2413689212.

It is an arithmetic number, because the mean of its divisors is an integer number (2712982888656).

Almost surely, 2^{16263415213503} is an apocalyptic number.

16263415213503 is a deficient number, since it is larger than the sum of its proper divisors (5440447895745).

16263415213503 is a wasteful number, since it uses less digits than its factorization.

16263415213503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827372813.

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 16263415213503 its reverse (30531251436261), we get a palindrome (46794666649764).

The spelling of 16263415213503 in words is "sixteen trillion, two hundred sixty-three billion, four hundred fifteen million, two hundred thirteen thousand, five hundred three".