52511115251 has 8 divisors (see below), whose sum is σ = 60014738784. Its totient is φ = 45008000640.

The previous prime is 52511115211. The next prime is 52511115301. The reversal of 52511115251 is 15251111525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52511115251 - 2¹⁸ = 52510853107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52511115211) 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 7 ways as a sum of consecutive naturals, for example, 128021 + ... + 348441.

It is an arithmetic number, because the mean of its divisors is an integer number (7501842348).

Almost surely, 2^52511115251 is an apocalyptic number.

52511115251 is a deficient number, since it is larger than the sum of its proper divisors (7503623533).

52511115251 is a wasteful number, since it uses less digits than its factorization.

52511115251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254461.

The product of its digits is 2500, while the sum is 29.

Adding to 52511115251 its reverse (15251111525), we get a palindrome (67762226776).

The spelling of 52511115251 in words is "fifty-two billion, five hundred eleven million, one hundred fifteen thousand, two hundred fifty-one".