151781715232 has 96 divisors (see below), whose sum is σ = 362314874880. Its totient is φ = 61140199680.

The previous prime is 151781715209. The next prime is 151781715271. The reversal of 151781715232 is 232517187151.

151781715232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400107 + ... + 680917.

It is an arithmetic number, because the mean of its divisors is an integer number (3774113280).

Almost surely, 2^151781715232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151781715232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181157437440).

151781715232 is an abundant number, since it is smaller than the sum of its proper divisors (210533159648).

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

151781715232 is a wasteful number, since it uses less digits than its factorization.

151781715232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280974 (or 280966 counting only the distinct ones).

The product of its digits is 117600, while the sum is 43.

The spelling of 151781715232 in words is "one hundred fifty-one billion, seven hundred eighty-one million, seven hundred fifteen thousand, two hundred thirty-two".