150731077221 has 48 divisors (see below), whose sum is σ = 222916948800. Its totient is φ = 98121735936.

The previous prime is 150731077183. The next prime is 150731077243. The reversal of 150731077221 is 122770137051.

It is a happy number.

150731077221 is a `hidden beast` number, since 1 + 50 + 7 + 310 + 77 + 221 = 666.

It is not a de Polignac number, because 150731077221 - 2⁹ = 150731076709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150731077261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35522526 + ... + 35526768.

It is an arithmetic number, because the mean of its divisors is an integer number (4644103100).

Almost surely, 2^150731077221 is an apocalyptic number.

It is an amenable number.

150731077221 is a deficient number, since it is larger than the sum of its proper divisors (72185871579).

150731077221 is a wasteful number, since it uses less digits than its factorization.

150731077221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850 (or 4847 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The spelling of 150731077221 in words is "one hundred fifty billion, seven hundred thirty-one million, seventy-seven thousand, two hundred twenty-one".