16204411255 has 4 divisors (see below), whose sum is σ = 19445293512. Its totient is φ = 12963529000.

The previous prime is 16204411219. The next prime is 16204411259. The reversal of 16204411255 is 55211440261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55211440261 = 557 ⋅99122873.

It is not a de Polignac number, because 16204411255 - 2⁹ = 16204410743 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 (16204411259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1620441121 + ... + 1620441130.

It is an arithmetic number, because the mean of its divisors is an integer number (4861323378).

Almost surely, 2^16204411255 is an apocalyptic number.

16204411255 is a deficient number, since it is larger than the sum of its proper divisors (3240882257).

16204411255 is an equidigital number, since it uses as much as digits as its factorization.

16204411255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240882256.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 16204411255 in words is "sixteen billion, two hundred four million, four hundred eleven thousand, two hundred fifty-five".