151942521920 has 224 divisors, whose sum is σ = 420960499200. Its totient is φ = 51160596480.

The previous prime is 151942521901. The next prime is 151942521923. The reversal of 151942521920 is 29125249151.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (151942521923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44052356 + ... + 44055804.

Almost surely, 2^151942521920 is an apocalyptic number.

151942521920 is a gapful number since it is divisible by the number (10) 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 151942521920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210480249600).

151942521920 is an abundant number, since it is smaller than the sum of its proper divisors (269017977280).

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

151942521920 is a wasteful number, since it uses less digits than its factorization.

151942521920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821 (or 3811 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 151942521920 in words is "one hundred fifty-one billion, nine hundred forty-two million, five hundred twenty-one thousand, nine hundred twenty".