2144255430555 has 48 divisors (see below), whose sum is σ = 4248713327040. Its totient is φ = 979989801984.

The previous prime is 2144255430539. The next prime is 2144255430659. The reversal of 2144255430555 is 5550345524412.

2144255430555 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 2 + 55 + 43 + 0 + 555 = 666.

It is not a de Polignac number, because 2144255430555 - 2⁴ = 2144255430539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2144255430555.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447351 + ... + 2118639.

It is an arithmetic number, because the mean of its divisors is an integer number (88514860980).

Almost surely, 2^{2144255430555} is an apocalyptic number.

2144255430555 is a deficient number, since it is larger than the sum of its proper divisors (2104457896485).

2144255430555 is a wasteful number, since it uses less digits than its factorization.

2144255430555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675380 (or 1675377 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 2144255430555 in words is "two trillion, one hundred forty-four billion, two hundred fifty-five million, four hundred thirty thousand, five hundred fifty-five".