255015202152443 has 4 divisors (see below), whose sum is σ = 255015284127240. Its totient is φ = 255015120177648.

The previous prime is 255015202152419. The next prime is 255015202152497. The reversal of 255015202152443 is 344251202510552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255015202152443 - 2²² = 255015197958139 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 255015202152443.

It is not an unprimeable number, because it can be changed into a prime (255015202152043) 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, 36129098 + ... + 42606831.

It is an arithmetic number, because the mean of its divisors is an integer number (63753821031810).

Almost surely, 2^{255015202152443} is an apocalyptic number.

255015202152443 is a deficient number, since it is larger than the sum of its proper divisors (81974797).

255015202152443 is an equidigital number, since it uses as much as digits as its factorization.

255015202152443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81974796.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 255015202152443 its reverse (344251202510552), we get a palindrome (599266404662995).

The spelling of 255015202152443 in words is "two hundred fifty-five trillion, fifteen billion, two hundred two million, one hundred fifty-two thousand, four hundred forty-three".