27159182100 has 108 divisors (see below), whose sum is σ = 85268223040. Its totient is φ = 7230600000.

The previous prime is 27159182081. The next prime is 27159182101. The reversal of 27159182100 is 128195172.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27159182101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 532725 + ... + 581475.

Almost surely, 2^27159182100 is an apocalyptic number.

27159182100 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 27159182100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42634111520).

27159182100 is an abundant number, since it is smaller than the sum of its proper divisors (58109040940).

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

27159182100 is a wasteful number, since it uses less digits than its factorization.

27159182100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49390 (or 49380 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 27159182100 in words is "twenty-seven billion, one hundred fifty-nine million, one hundred eighty-two thousand, one hundred".