150220521504 has 144 divisors (see below), whose sum is σ = 432136793088. Its totient is φ = 49496541696.

The previous prime is 150220521497. The next prime is 150220521553. The reversal of 150220521504 is 405125022051.

150220521504 is a `hidden beast` number, since 1 + 502 + 2 + 0 + 5 + 2 + 150 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10124139 + ... + 10138965.

It is an arithmetic number, because the mean of its divisors is an integer number (3000949952).

Almost surely, 2^150220521504 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 150220521504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216068396544).

150220521504 is an abundant number, since it is smaller than the sum of its proper divisors (281916271584).

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

150220521504 is a wasteful number, since it uses less digits than its factorization.

150220521504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15247 (or 15236 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 150220521504 its reverse (405125022051), we get a palindrome (555345543555).

The spelling of 150220521504 in words is "one hundred fifty billion, two hundred twenty million, five hundred twenty-one thousand, five hundred four".