27151551360 has 384 divisors, whose sum is σ = 101709185760. Its totient is φ = 6647316480.

The previous prime is 27151551353. The next prime is 27151551391. The reversal of 27151551360 is 6315515172.

It is a happy number.

27151551360 is a `hidden beast` number, since 2 + 7 + 1 + 515 + 5 + 136 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4011339 + ... + 4018101.

Almost surely, 2^27151551360 is an apocalyptic number.

27151551360 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 27151551360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50854592880).

27151551360 is an abundant number, since it is smaller than the sum of its proper divisors (74557634400).

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

27151551360 is a wasteful number, since it uses less digits than its factorization.

27151551360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846 (or 6831 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 27151551360 in words is "twenty-seven billion, one hundred fifty-one million, five hundred fifty-one thousand, three hundred sixty".