150420501520 has 80 divisors (see below), whose sum is σ = 367940544048. Its totient is φ = 57114132480.

The previous prime is 150420501461. The next prime is 150420501527. The reversal of 150420501520 is 25105024051.

It can be written as a sum of positive squares in 8 ways, for example, as 13046544 + 150407454976 = 3612^2 + 387824^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (150420501527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498369 + ... + 741088.

Almost surely, 2^150420501520 is an apocalyptic number.

150420501520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150420501520 is an abundant number, since it is smaller than the sum of its proper divisors (217520042528).

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

150420501520 is a wasteful number, since it uses less digits than its factorization.

150420501520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239548 (or 1239542 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 150420501520 its reverse (25105024051), we get a palindrome (175525525571).

The spelling of 150420501520 in words is "one hundred fifty billion, four hundred twenty million, five hundred one thousand, five hundred twenty".