252153502105 has 4 divisors (see below), whose sum is σ = 302584202532. Its totient is φ = 201722801680.

The previous prime is 252153502103. The next prime is 252153502141. The reversal of 252153502105 is 501205351252.

252153502105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 160002400009 + 92151102096 = 400003^2 + 303564^2 .

It is not a de Polignac number, because 252153502105 - 2¹ = 252153502103 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252153502103) 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, 25215350206 + ... + 25215350215.

It is an arithmetic number, because the mean of its divisors is an integer number (75646050633).

Almost surely, 2^252153502105 is an apocalyptic number.

It is an amenable number.

252153502105 is a deficient number, since it is larger than the sum of its proper divisors (50430700427).

252153502105 is an equidigital number, since it uses as much as digits as its factorization.

252153502105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50430700426.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 252153502105 its reverse (501205351252), we get a palindrome (753358853357).

The spelling of 252153502105 in words is "two hundred fifty-two billion, one hundred fifty-three million, five hundred two thousand, one hundred five".