5132456561 has 8 divisors (see below), whose sum is σ = 5172931200. Its totient is φ = 5092129152.

The previous prime is 5132456521. The next prime is 5132456579. The reversal of 5132456561 is 1656542315.

5132456561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5132456561 - 2²² = 5128262257 is a prime.

It is a super-2 number, since 2×5132456561² = 52684220701103893442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5132456521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33716 + ... + 106778.

It is an arithmetic number, because the mean of its divisors is an integer number (646616400).

Almost surely, 2^5132456561 is an apocalyptic number.

It is an amenable number.

5132456561 is a deficient number, since it is larger than the sum of its proper divisors (40474639).

5132456561 is a wasteful number, since it uses less digits than its factorization.

5132456561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73615.

The product of its digits is 108000, while the sum is 38.

The square root of 5132456561 is about 71641.1652683009. The cubic root of 5132456561 is about 1724.9443724693.

Adding to 5132456561 its reverse (1656542315), we get a palindrome (6788998876).

The spelling of 5132456561 in words is "five billion, one hundred thirty-two million, four hundred fifty-six thousand, five hundred sixty-one".