15543135255 has 16 divisors (see below), whose sum is σ = 24975756000. Its totient is φ = 8254092288.

The previous prime is 15543135221. The next prime is 15543135277. The reversal of 15543135255 is 55253134551.

It is not a de Polignac number, because 15543135255 - 2¹³ = 15543127063 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2220130 + ... + 2227119.

It is an arithmetic number, because the mean of its divisors is an integer number (1560984750).

Almost surely, 2^15543135255 is an apocalyptic number.

15543135255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15543135255 is a deficient number, since it is larger than the sum of its proper divisors (9432620745).

15543135255 is a wasteful number, since it uses less digits than its factorization.

15543135255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447490.

The product of its digits is 225000, while the sum is 39.

The spelling of 15543135255 in words is "fifteen billion, five hundred forty-three million, one hundred thirty-five thousand, two hundred fifty-five".