150015204421 has 2 divisors, whose sum is σ = 150015204422. Its totient is φ = 150015204420.

The previous prime is 150015204419. The next prime is 150015204461. The reversal of 150015204421 is 124402510051.

150015204421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147997937025 + 2017267396 = 384705^2 + 44914^2 .

It is a cyclic number.

It is not a de Polignac number, because 150015204421 - 2¹ = 150015204419 is a prime.

Together with 150015204419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150015204401) 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 as a sum of consecutive naturals, namely, 75007602210 + 75007602211.

It is an arithmetic number, because the mean of its divisors is an integer number (75007602211).

Almost surely, 2^150015204421 is an apocalyptic number.

It is an amenable number.

150015204421 is a deficient number, since it is larger than the sum of its proper divisors (1).

150015204421 is an equidigital number, since it uses as much as digits as its factorization.

150015204421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 150015204421 its reverse (124402510051), we get a palindrome (274417714472).

The spelling of 150015204421 in words is "one hundred fifty billion, fifteen million, two hundred four thousand, four hundred twenty-one".