252051211503 has 72 divisors (see below), whose sum is σ = 474266782080. Its totient is φ = 125952615360.

The previous prime is 252051211499. The next prime is 252051211537. The reversal of 252051211503 is 305112150252.

252051211503 is a `hidden beast` number, since 2 + 520 + 5 + 121 + 15 + 0 + 3 = 666.

It is not a de Polignac number, because 252051211503 - 2² = 252051211499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252051211583) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 420693 + ... + 825278.

It is an arithmetic number, because the mean of its divisors is an integer number (6587038640).

Almost surely, 2^252051211503 is an apocalyptic number.

252051211503 is a deficient number, since it is larger than the sum of its proper divisors (222215570577).

252051211503 is a wasteful number, since it uses less digits than its factorization.

252051211503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246029 (or 1246013 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 252051211503 its reverse (305112150252), we get a palindrome (557163361755).

The spelling of 252051211503 in words is "two hundred fifty-two billion, fifty-one million, two hundred eleven thousand, five hundred three".