8025555505 has 12 divisors (see below), whose sum is σ = 10585774836. Its totient is φ = 5836767200.

The previous prime is 8025555487. The next prime is 8025555533. The reversal of 8025555505 is 5055555208.

It can be written as a sum of positive squares in 2 ways, for example, as 1987643889 + 6037911616 = 44583^2 + 77704^2 .

It is not a de Polignac number, because 8025555505 - 2²⁷ = 7891337777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6632086 + ... + 6633295.

It is an arithmetic number, because the mean of its divisors is an integer number (882147903).

Almost surely, 2^8025555505 is an apocalyptic number.

It is an amenable number.

8025555505 is a deficient number, since it is larger than the sum of its proper divisors (2560219331).

8025555505 is a wasteful number, since it uses less digits than its factorization.

8025555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13265408 (or 13265397 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

The square root of 8025555505 is about 89585.4648087512. The cubic root of 8025555505 is about 2002.1273617803.

The spelling of 8025555505 in words is "eight billion, twenty-five million, five hundred fifty-five thousand, five hundred five".