27130111656 has 64 divisors (see below), whose sum is σ = 70922649600. Its totient is φ = 8632037568.

The previous prime is 27130111643. The next prime is 27130111721. The reversal of 27130111656 is 65611103172.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213105 + ... + 315711.

It is an arithmetic number, because the mean of its divisors is an integer number (1108166400).

Almost surely, 2^27130111656 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 27130111656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35461324800).

27130111656 is an abundant number, since it is smaller than the sum of its proper divisors (43792537944).

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

27130111656 is a wasteful number, since it uses less digits than its factorization.

27130111656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103118 (or 103114 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 27130111656 in words is "twenty-seven billion, one hundred thirty million, one hundred eleven thousand, six hundred fifty-six".