150242550521 has 16 divisors (see below), whose sum is σ = 181022376960. Its totient is φ = 121812834960.

The previous prime is 150242550511. The next prime is 150242550553. The reversal of 150242550521 is 125055242051.

It is a happy number.

It is not a de Polignac number, because 150242550521 - 2⁶ = 150242550457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150242550511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786935 + ... + 959036.

It is an arithmetic number, because the mean of its divisors is an integer number (11313898560).

Almost surely, 2^150242550521 is an apocalyptic number.

It is an amenable number.

150242550521 is a deficient number, since it is larger than the sum of its proper divisors (30779826439).

150242550521 is a wasteful number, since it uses less digits than its factorization.

150242550521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746644.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 150242550521 its reverse (125055242051), we get a palindrome (275297792572).

The spelling of 150242550521 in words is "one hundred fifty billion, two hundred forty-two million, five hundred fifty thousand, five hundred twenty-one".