52144452142205 has 4 divisors (see below), whose sum is σ = 62573342570652. Its totient is φ = 41715561713760.

The previous prime is 52144452142201. The next prime is 52144452142247. The reversal of 52144452142205 is 50224125444125.

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 23209982770276 + 28934469371929 = 4817674^2 + 5379077^2 .

It is not a de Polignac number, because 52144452142205 - 2² = 52144452142201 is a prime.

It is a super-2 number, since 2×52144452142205² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52144452142201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214445214216 + ... + 5214445214225.

It is an arithmetic number, because the mean of its divisors is an integer number (15643335642663).

Almost surely, 2^{52144452142205} is an apocalyptic number.

It is an amenable number.

52144452142205 is a deficient number, since it is larger than the sum of its proper divisors (10428890428447).

52144452142205 is a wasteful number, since it uses less digits than its factorization.

52144452142205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428890428446.

The product of its (nonzero) digits is 512000, while the sum is 41.

The spelling of 52144452142205 in words is "fifty-two trillion, one hundred forty-four billion, four hundred fifty-two million, one hundred forty-two thousand, two hundred five".