5265886561 has 8 divisors (see below), whose sum is σ = 6004540584. Its totient is φ = 4574887680.

The previous prime is 5265886513. The next prime is 5265886573. The reversal of 5265886561 is 1656885625.

It can be written as a sum of positive squares in 4 ways, for example, as 1154640400 + 4111246161 = 33980^2 + 64119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5265886561 - 2¹⁹ = 5265362273 is a prime.

It is a super-2 number, since 2×5265886561² = 55459122546640813442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5265886499 and 5265886508.

It is not an unprimeable number, because it can be changed into a prime (5265889561) 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, 11913550 + ... + 11913991.

It is an arithmetic number, because the mean of its divisors is an integer number (750567573).

Almost surely, 2^5265886561 is an apocalyptic number.

It is an amenable number.

5265886561 is a deficient number, since it is larger than the sum of its proper divisors (738654023).

5265886561 is a wasteful number, since it uses less digits than its factorization.

5265886561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23827571.

The product of its digits is 3456000, while the sum is 52.

The square root of 5265886561 is about 72566.4286085515. The cubic root of 5265886561 is about 1739.7646399628.

The spelling of 5265886561 in words is "five billion, two hundred sixty-five million, eight hundred eighty-six thousand, five hundred sixty-one".