2255123505 has 16 divisors (see below), whose sum is σ = 3618604224. Its totient is φ = 1199263680.

The previous prime is 2255123483. The next prime is 2255123537. The reversal of 2255123505 is 5053215522.

It is not a de Polignac number, because 2255123505 - 2¹⁶ = 2255057969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211426 + ... + 221835.

It is an arithmetic number, because the mean of its divisors is an integer number (226162764).

Almost surely, 2^2255123505 is an apocalyptic number.

It is an amenable number.

2255123505 is a deficient number, since it is larger than the sum of its proper divisors (1363480719).

2255123505 is a wasteful number, since it uses less digits than its factorization.

2255123505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433616.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2255123505 is about 47488.1406774365. The cubic root of 2255123505 is about 1311.3645639653.

It can be divided in two parts, 22551 and 23505, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 2255123505 in words is "two billion, two hundred fifty-five million, one hundred twenty-three thousand, five hundred five".