27505028030525 has 12 divisors (see below), whose sum is σ = 36112483861812. Its totient is φ = 20709668163840.

The previous prime is 27505028030479. The next prime is 27505028030531. The reversal of 27505028030525 is 52503082050572.

It can be written as a sum of positive squares in 6 ways, for example, as 1799692008676 + 25705336021849 = 1341526^2 + 5070043^2 .

It is not a de Polignac number, because 27505028030525 - 2⁶ = 27505028030461 is a prime.

It is a Duffinian number.

It is a congruent 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, 32358856082 + ... + 32358856931.

It is an arithmetic number, because the mean of its divisors is an integer number (3009373655151).

Almost surely, 2^{27505028030525} is an apocalyptic number.

27505028030525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27505028030525 is a deficient number, since it is larger than the sum of its proper divisors (8607455831287).

27505028030525 is a wasteful number, since it uses less digits than its factorization.

27505028030525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64717713040 (or 64717713035 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 27505028030525 in words is "twenty-seven trillion, five hundred five billion, twenty-eight million, thirty thousand, five hundred twenty-five".