27231258912 has 384 divisors, whose sum is σ = 88158792960. Its totient is φ = 7245987840.

The previous prime is 27231258829. The next prime is 27231258973. The reversal of 27231258912 is 21985213272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29061708 + ... + 29062644.

It is an arithmetic number, because the mean of its divisors is an integer number (229580190).

Almost surely, 2^27231258912 is an apocalyptic number.

27231258912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27231258912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44079396480).

27231258912 is an abundant number, since it is smaller than the sum of its proper divisors (60927534048).

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

27231258912 is a wasteful number, since it uses less digits than its factorization.

27231258912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1068 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The spelling of 27231258912 in words is "twenty-seven billion, two hundred thirty-one million, two hundred fifty-eight thousand, nine hundred twelve".