150221661241 has 4 divisors (see below), whose sum is σ = 150260114512. Its totient is φ = 150183207972.

The previous prime is 150221661221. The next prime is 150221661257. The reversal of 150221661241 is 142166122051.

It is a happy number.

150221661241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150221661241 - 2¹¹ = 150221659193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150221661221) 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 3 ways as a sum of consecutive naturals, for example, 19220775 + ... + 19228588.

It is an arithmetic number, because the mean of its divisors is an integer number (37565028628).

Almost surely, 2^150221661241 is an apocalyptic number.

It is an amenable number.

150221661241 is a deficient number, since it is larger than the sum of its proper divisors (38453271).

150221661241 is an equidigital number, since it uses as much as digits as its factorization.

150221661241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38453270.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 150221661241 its reverse (142166122051), we get a palindrome (292387783292).

The spelling of 150221661241 in words is "one hundred fifty billion, two hundred twenty-one million, six hundred sixty-one thousand, two hundred forty-one".