5125521132 has 48 divisors (see below), whose sum is σ = 13746616800. Its totient is φ = 1649592000.

The previous prime is 5125521119. The next prime is 5125521139. The reversal of 5125521132 is 2311255215.

5125521132 is a `hidden beast` number, since 5 + 1 + 2 + 5 + 521 + 132 = 666.

It is a super-2 number, since 2×5125521132² = 52541933749157122848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5125521096 and 5125521105.

It is not an unprimeable number, because it can be changed into a prime (5125521139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815119 + ... + 821382.

It is an arithmetic number, because the mean of its divisors is an integer number (286387850).

Almost surely, 2^5125521132 is an apocalyptic number.

It is an amenable number.

5125521132 is an abundant number, since it is smaller than the sum of its proper divisors (8621095668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5125521132 is a wasteful number, since it uses less digits than its factorization.

5125521132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636543 (or 1636535 counting only the distinct ones).

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

The square root of 5125521132 is about 71592.7449676292. The cubic root of 5125521132 is about 1724.1670564659.

Adding to 5125521132 its reverse (2311255215), we get a palindrome (7436776347).

The spelling of 5125521132 in words is "five billion, one hundred twenty-five million, five hundred twenty-one thousand, one hundred thirty-two".