252011430113 has 4 divisors (see below), whose sum is σ = 252012472068. Its totient is φ = 252010388160.

The previous prime is 252011430103. The next prime is 252011430191. The reversal of 252011430113 is 311034110252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 37797969889 + 214213460224 = 194417^2 + 462832^2 .

It is a cyclic number.

It is not a de Polignac number, because 252011430113 - 2⁶ = 252011430049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252011430103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51533 + ... + 711813.

It is an arithmetic number, because the mean of its divisors is an integer number (63003118017).

Almost surely, 2^252011430113 is an apocalyptic number.

It is an amenable number.

252011430113 is a deficient number, since it is larger than the sum of its proper divisors (1041955).

252011430113 is an equidigital number, since it uses as much as digits as its factorization.

252011430113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041954.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 252011430113 its reverse (311034110252), we get a palindrome (563045540365).

The spelling of 252011430113 in words is "two hundred fifty-two billion, eleven million, four hundred thirty thousand, one hundred thirteen".