2255220235555 has 8 divisors (see below), whose sum is σ = 3092873465952. Its totient is φ = 1546436732928.

The previous prime is 2255220235483. The next prime is 2255220235561. The reversal of 2255220235555 is 5555320225522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2255220235555 - 2¹³ = 2255220227363 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32217431902 + ... + 32217431971.

It is an arithmetic number, because the mean of its divisors is an integer number (386609183244).

Almost surely, 2^{2255220235555} is an apocalyptic number.

2255220235555 is a deficient number, since it is larger than the sum of its proper divisors (837653230397).

2255220235555 is an equidigital number, since it uses as much as digits as its factorization.

2255220235555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64434863885.

The product of its (nonzero) digits is 1500000, while the sum is 43.

The spelling of 2255220235555 in words is "two trillion, two hundred fifty-five billion, two hundred twenty million, two hundred thirty-five thousand, five hundred fifty-five".