27805003055025 has 48 divisors (see below), whose sum is σ = 52549329782400. Its totient is φ = 12708169551360.

The previous prime is 27805003054991. The next prime is 27805003055033. The reversal of 27805003055025 is 52055030050872.

It is a happy number.

It is not a de Polignac number, because 27805003055025 - 2²² = 27804998860721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3116970 + ... + 8082419.

It is an arithmetic number, because the mean of its divisors is an integer number (1094777703800).

Almost surely, 2^{27805003055025} is an apocalyptic number.

27805003055025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27805003055025 is a deficient number, since it is larger than the sum of its proper divisors (24744326727375).

27805003055025 is a wasteful number, since it uses less digits than its factorization.

27805003055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11204138 (or 11204133 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 27805003055025 in words is "twenty-seven trillion, eight hundred five billion, three million, fifty-five thousand, twenty-five".