27131170000 has 200 divisors, whose sum is σ = 72161176032. Its totient is φ = 9796800000.

The previous prime is 27131169997. The next prime is 27131170021. The reversal of 27131170000 is 7113172.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×27131170000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17269215 + ... + 17270785.

Almost surely, 2^27131170000 is an apocalyptic number.

27131170000 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 27131170000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36080588016).

27131170000 is an abundant number, since it is smaller than the sum of its proper divisors (45030006032).

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

27131170000 is a wasteful number, since it uses less digits than its factorization.

27131170000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 22.

Adding to 27131170000 its reverse (7113172), we get a palindrome (27138283172).

The spelling of 27131170000 in words is "twenty-seven billion, one hundred thirty-one million, one hundred seventy thousand".