159471551232 has 432 divisors, whose sum is σ = 552910176000. Its totient is φ = 43239038976.

The previous prime is 159471551207. The next prime is 159471551237. The reversal of 159471551232 is 232155174951.

159471551232 is a `hidden beast` number, since 1 + 5 + 9 + 4 + 71 + 551 + 23 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (159471551237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27592119 + ... + 27597897.

Almost surely, 2^159471551232 is an apocalyptic number.

159471551232 is a gapful number since it is divisible by the number (12) 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 159471551232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276455088000).

159471551232 is an abundant number, since it is smaller than the sum of its proper divisors (393438624768).

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

159471551232 is a wasteful number, since it uses less digits than its factorization.

159471551232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5879 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The spelling of 159471551232 in words is "one hundred fifty-nine billion, four hundred seventy-one million, five hundred fifty-one thousand, two hundred thirty-two".