27150000000 has 288 divisors, whose sum is σ = 90644484840. Its totient is φ = 7200000000.

The previous prime is 27149999983. The next prime is 27150000037. The reversal of 27150000000 is 5172.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 149999910 + ... + 150000090.

Almost surely, 2^27150000000 is an apocalyptic number.

27150000000 is a gapful number since it is divisible by the number (20) 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 27150000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45322242420).

27150000000 is an abundant number, since it is smaller than the sum of its proper divisors (63494484840).

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

27150000000 is an frugal number, since it uses more digits than its factorization.

27150000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

Adding to 27150000000 its reverse (5172), we get a palindrome (27150005172).

The spelling of 27150000000 in words is "twenty-seven billion, one hundred fifty million", and thus it is an aban number.