525130655011 has 4 divisors (see below), whose sum is σ = 525268960272. Its totient is φ = 524992349752.

The previous prime is 525130654949. The next prime is 525130655083. The reversal of 525130655011 is 110556031525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525130655011 - 2³¹ = 522983171363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525130655111) 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, 69146935 + ... + 69154528.

It is an arithmetic number, because the mean of its divisors is an integer number (131317240068).

Almost surely, 2^525130655011 is an apocalyptic number.

525130655011 is a deficient number, since it is larger than the sum of its proper divisors (138305261).

525130655011 is a wasteful number, since it uses less digits than its factorization.

525130655011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138305260.

The product of its (nonzero) digits is 22500, while the sum is 34.

Adding to 525130655011 its reverse (110556031525), we get a palindrome (635686686536).

The spelling of 525130655011 in words is "five hundred twenty-five billion, one hundred thirty million, six hundred fifty-five thousand, eleven".