2255021441145 has 64 divisors (see below), whose sum is σ = 4438649364480. Its totient is φ = 1077025118400.

The previous prime is 2255021441137. The next prime is 2255021441273. The reversal of 2255021441145 is 5411441205522.

2255021441145 is a `hidden beast` number, since 2 + 2 + 5 + 50 + 21 + 441 + 145 = 666.

It is not a de Polignac number, because 2255021441145 - 2³ = 2255021441137 is a prime.

It is a super-2 number, since 2×2255021441145² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11232841 + ... + 11431830.

It is an arithmetic number, because the mean of its divisors is an integer number (69353896320).

Almost surely, 2^{2255021441145} is an apocalyptic number.

It is an amenable number.

2255021441145 is a deficient number, since it is larger than the sum of its proper divisors (2183627923335).

2255021441145 is a wasteful number, since it uses less digits than its factorization.

2255021441145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22664763 (or 22664757 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 2255021441145 its reverse (5411441205522), we get a palindrome (7666462646667).

The spelling of 2255021441145 in words is "two trillion, two hundred fifty-five billion, twenty-one million, four hundred forty-one thousand, one hundred forty-five".