80556258025 has 6 divisors (see below), whose sum is σ = 99889759982. Its totient is φ = 64445006400.

The previous prime is 80556257981. The next prime is 80556258037. The reversal of 80556258025 is 52085265508.

It can be written as a sum of positive squares in 3 ways, for example, as 12449873241 + 68106384784 = 111579^2 + 260972^2 .

It is not a de Polignac number, because 80556258025 - 2²⁵ = 80522703593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611125136 + ... + 1611125185.

Almost surely, 2^80556258025 is an apocalyptic number.

It is an amenable number.

80556258025 is a deficient number, since it is larger than the sum of its proper divisors (19333501957).

80556258025 is a wasteful number, since it uses less digits than its factorization.

80556258025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222250331 (or 3222250326 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 46.

The spelling of 80556258025 in words is "eighty billion, five hundred fifty-six million, two hundred fifty-eight thousand, twenty-five".