2142455315005 has 4 divisors (see below), whose sum is σ = 2570946378012. Its totient is φ = 1713964252000.

The previous prime is 2142455314999. The next prime is 2142455315057. The reversal of 2142455315005 is 5005135542412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 584524469764 + 1557930845241 = 764542^2 + 1248171^2 .

It is not a de Polignac number, because 2142455315005 - 2³ = 2142455314997 is a prime.

It is a super-2 number, since 2×2142455315005² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214245531496 + ... + 214245531505.

It is an arithmetic number, because the mean of its divisors is an integer number (642736594503).

Almost surely, 2^{2142455315005} is an apocalyptic number.

It is an amenable number.

2142455315005 is a deficient number, since it is larger than the sum of its proper divisors (428491063007).

2142455315005 is an equidigital number, since it uses as much as digits as its factorization.

2142455315005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428491063006.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 2142455315005 in words is "two trillion, one hundred forty-two billion, four hundred fifty-five million, three hundred fifteen thousand, five".