2255311091 has 4 divisors (see below), whose sum is σ = 2460339384. Its totient is φ = 2050282800.

The previous prime is 2255311081. The next prime is 2255311099. The reversal of 2255311091 is 1901135522.

2255311091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2255311091 - 2¹⁰ = 2255310067 is a prime.

It is a super-2 number, since 2×2255311091² = 10172856234375220562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255311099) 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, 102514130 + ... + 102514151.

It is an arithmetic number, because the mean of its divisors is an integer number (615084846).

Almost surely, 2^2255311091 is an apocalyptic number.

2255311091 is a deficient number, since it is larger than the sum of its proper divisors (205028293).

2255311091 is a wasteful number, since it uses less digits than its factorization.

2255311091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205028292.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 2255311091 is about 47490.1157189578. The cubic root of 2255311091 is about 1311.4009236609.

It can be divided in two parts, 225531 and 1091, that added together give a palindrome (226622).

The spelling of 2255311091 in words is "two billion, two hundred fifty-five million, three hundred eleven thousand, ninety-one".