5125521133 has 4 divisors (see below), whose sum is σ = 5130062140. Its totient is φ = 5120980128.

The previous prime is 5125521119. The next prime is 5125521139. The reversal of 5125521133 is 3311255215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3311255215 = 5 ⋅662251043.

It can be written as a sum of positive squares in 2 ways, for example, as 248314564 + 4877206569 = 15758^2 + 69837^2 .

It is a cyclic number.

It is not a de Polignac number, because 5125521133 - 2²⁹ = 4588650221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125521139) 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, 2268810 + ... + 2271067.

It is an arithmetic number, because the mean of its divisors is an integer number (1282515535).

Almost surely, 2^5125521133 is an apocalyptic number.

It is an amenable number.

5125521133 is a deficient number, since it is larger than the sum of its proper divisors (4541007).

5125521133 is a wasteful number, since it uses less digits than its factorization.

5125521133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541006.

The product of its digits is 4500, while the sum is 28.

The square root of 5125521133 is about 71592.7449746132. The cubic root of 5125521133 is about 1724.1670565780.

Adding to 5125521133 its reverse (3311255215), we get a palindrome (8436776348).

The spelling of 5125521133 in words is "five billion, one hundred twenty-five million, five hundred twenty-one thousand, one hundred thirty-three".