27556112604 has 96 divisors (see below), whose sum is σ = 70430976000. Its totient is φ = 8355324096.

The previous prime is 27556112603. The next prime is 27556112659. The reversal of 27556112604 is 40621165572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27556112603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554617 + ... + 602255.

It is an arithmetic number, because the mean of its divisors is an integer number (733656000).

Almost surely, 2^27556112604 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 27556112604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35215488000).

27556112604 is an abundant number, since it is smaller than the sum of its proper divisors (42874863396).

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

27556112604 is a wasteful number, since it uses less digits than its factorization.

27556112604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47767 (or 47765 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 27556112604 in words is "twenty-seven billion, five hundred fifty-six million, one hundred twelve thousand, six hundred four".