27725113612 has 96 divisors (see below), whose sum is σ = 60487257600. Its totient is φ = 10848660480.

The previous prime is 27725113597. The next prime is 27725113631. The reversal of 27725113612 is 21631152772.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3045187 + ... + 3054277.

It is an arithmetic number, because the mean of its divisors is an integer number (630075600).

Almost surely, 2^27725113612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27725113612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30243628800).

27725113612 is an abundant number, since it is smaller than the sum of its proper divisors (32762143988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27725113612 is a wasteful number, since it uses less digits than its factorization.

27725113612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311 (or 9309 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The spelling of 27725113612 in words is "twenty-seven billion, seven hundred twenty-five million, one hundred thirteen thousand, six hundred twelve".