5260578561 has 32 divisors (see below), whose sum is σ = 9294059520. Its totient is φ = 2875344912.

The previous prime is 5260578551. The next prime is 5260578581. The reversal of 5260578561 is 1658750625.

5260578561 is a `hidden beast` number, since 5 + 26 + 0 + 578 + 56 + 1 = 666.

It is not a de Polignac number, because 5260578561 - 2⁵ = 5260578529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5260578551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600735 + ... + 609428.

It is an arithmetic number, because the mean of its divisors is an integer number (290439360).

Almost surely, 2^5260578561 is an apocalyptic number.

It is an amenable number.

5260578561 is a deficient number, since it is larger than the sum of its proper divisors (4033480959).

5260578561 is a wasteful number, since it uses less digits than its factorization.

5260578561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210202 (or 1210196 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 5260578561 is about 72529.8460014910. The cubic root of 5260578561 is about 1739.1798840259.

The spelling of 5260578561 in words is "five billion, two hundred sixty million, five hundred seventy-eight thousand, five hundred sixty-one".