15327701044128 has 480 divisors, whose sum is σ = 52287359604480. Its totient is φ = 4353212989440.

The previous prime is 15327701044109. The next prime is 15327701044157. The reversal of 15327701044128 is 82144010772351.

It is a happy number.

15327701044128 is a `hidden beast` number, since 1 + 532 + 7 + 7 + 0 + 104 + 4 + 1 + 2 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 115778100 + ... + 115910412.

It is an arithmetic number, because the mean of its divisors is an integer number (108931999176).

Almost surely, 2^{15327701044128} is an apocalyptic number.

15327701044128 is a gapful number since it is divisible by the number (18) 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 15327701044128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26143679802240).

15327701044128 is an abundant number, since it is smaller than the sum of its proper divisors (36959658560352).

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

15327701044128 is a wasteful number, since it uses less digits than its factorization.

15327701044128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132602 (or 132585 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 15327701044128 in words is "fifteen trillion, three hundred twenty-seven billion, seven hundred one million, forty-four thousand, one hundred twenty-eight".