2141312555 has 4 divisors (see below), whose sum is σ = 2569575072. Its totient is φ = 1713050040.

The previous prime is 2141312549. The next prime is 2141312557. The reversal of 2141312555 is 5552131412.

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

It is not a de Polignac number, because 2141312555 - 2¹⁰ = 2141311531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141312557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214131251 + ... + 214131260.

It is an arithmetic number, because the mean of its divisors is an integer number (642393768).

Almost surely, 2^2141312555 is an apocalyptic number.

2141312555 is a deficient number, since it is larger than the sum of its proper divisors (428262517).

2141312555 is an equidigital number, since it uses as much as digits as its factorization.

2141312555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428262516.

The product of its digits is 6000, while the sum is 29.

The square root of 2141312555 is about 46274.3185255061. The cubic root of 2141312555 is about 1288.9221521657.

Adding to 2141312555 its reverse (5552131412), we get a palindrome (7693443967).

The spelling of 2141312555 in words is "two billion, one hundred forty-one million, three hundred twelve thousand, five hundred fifty-five".