2160155255 has 4 divisors (see below), whose sum is σ = 2592186312. Its totient is φ = 1728124200.

The previous prime is 2160155251. The next prime is 2160155287. The reversal of 2160155255 is 5525510612.

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

It is not a de Polignac number, because 2160155255 - 2² = 2160155251 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 (2160155251) 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, 216015521 + ... + 216015530.

It is an arithmetic number, because the mean of its divisors is an integer number (648046578).

Almost surely, 2^2160155255 is an apocalyptic number.

2160155255 is a deficient number, since it is larger than the sum of its proper divisors (432031057).

2160155255 is an equidigital number, since it uses as much as digits as its factorization.

2160155255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432031056.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 2160155255 is about 46477.4704023358. The cubic root of 2160155255 is about 1292.6917842732.

Adding to 2160155255 its reverse (5525510612), we get a palindrome (7685665867).

The spelling of 2160155255 in words is "two billion, one hundred sixty million, one hundred fifty-five thousand, two hundred fifty-five".