150520221500 has 96 divisors (see below), whose sum is σ = 358940417472. Its totient is φ = 54685920000.

The previous prime is 150520221493. The next prime is 150520221503. The reversal of 150520221500 is 5122025051.

150520221500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150520221503) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6483914 + ... + 6507086.

It is an arithmetic number, because the mean of its divisors is an integer number (3738962682).

Almost surely, 2^150520221500 is an apocalyptic number.

150520221500 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 150520221500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179470208736).

150520221500 is an abundant number, since it is smaller than the sum of its proper divisors (208420195972).

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

150520221500 is a wasteful number, since it uses less digits than its factorization.

150520221500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24384 (or 24372 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 150520221500 its reverse (5122025051), we get a palindrome (155642246551).

The spelling of 150520221500 in words is "one hundred fifty billion, five hundred twenty million, two hundred twenty-one thousand, five hundred".