52542135123 has 16 divisors (see below), whose sum is σ = 70262438400. Its totient is φ = 34925068800.

The previous prime is 52542135119. The next prime is 52542135167. The reversal of 52542135123 is 32153124525.

It is not a de Polignac number, because 52542135123 - 2² = 52542135119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52542135193) 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 15 ways as a sum of consecutive naturals, for example, 2096058 + ... + 2120976.

It is an arithmetic number, because the mean of its divisors is an integer number (4391402400).

Almost surely, 2^52542135123 is an apocalyptic number.

52542135123 is a deficient number, since it is larger than the sum of its proper divisors (17720303277).

52542135123 is a wasteful number, since it uses less digits than its factorization.

52542135123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26962.

The product of its digits is 36000, while the sum is 33.

Adding to 52542135123 its reverse (32153124525), we get a palindrome (84695259648).

The spelling of 52542135123 in words is "fifty-two billion, five hundred forty-two million, one hundred thirty-five thousand, one hundred twenty-three".