2144132345555 has 4 divisors (see below), whose sum is σ = 2572958814672. Its totient is φ = 1715305876440.

The previous prime is 2144132345549. The next prime is 2144132345617. The reversal of 2144132345555 is 5555432314412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2144132345555 - 2²² = 2144128151251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214413234551 + ... + 214413234560.

It is an arithmetic number, because the mean of its divisors is an integer number (643239703668).

Almost surely, 2^{2144132345555} is an apocalyptic number.

2144132345555 is a deficient number, since it is larger than the sum of its proper divisors (428826469117).

2144132345555 is an equidigital number, since it uses as much as digits as its factorization.

2144132345555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428826469116.

The product of its digits is 1440000, while the sum is 44.

Adding to 2144132345555 its reverse (5555432314412), we get a palindrome (7699564659967).

The spelling of 2144132345555 in words is "two trillion, one hundred forty-four billion, one hundred thirty-two million, three hundred forty-five thousand, five hundred fifty-five".