27505280807852 has 24 divisors (see below), whose sum is σ = 50669744366640. Its totient is φ = 13028271612480.

The previous prime is 27505280807779. The next prime is 27505280807981. The reversal of 27505280807852 is 25870808250572.

It is a junction number, because it is equal to n+sod(n) for n = 27505280807791 and 27505280807800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5748299 + ... + 9383682.

It is an arithmetic number, because the mean of its divisors is an integer number (2111239348610).

Almost surely, 2^{27505280807852} is an apocalyptic number.

It is an amenable number.

27505280807852 is a deficient number, since it is larger than the sum of its proper divisors (23164463558788).

27505280807852 is a wasteful number, since it uses less digits than its factorization.

27505280807852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155921 (or 15155919 counting only the distinct ones).

The product of its (nonzero) digits is 25088000, while the sum is 59.

The spelling of 27505280807852 in words is "twenty-seven trillion, five hundred five billion, two hundred eighty million, eight hundred seven thousand, eight hundred fifty-two".