150603844026221 has 2 divisors, whose sum is σ = 150603844026222. Its totient is φ = 150603844026220.

The previous prime is 150603844026203. The next prime is 150603844026247. The reversal of 150603844026221 is 122620448306051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113867274481321 + 36736569544900 = 10670861^2 + 6061070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150603844026221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150603844026821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75301922013110 + 75301922013111.

It is an arithmetic number, because the mean of its divisors is an integer number (75301922013111).

Almost surely, 2^{150603844026221} is an apocalyptic number.

It is an amenable number.

150603844026221 is a deficient number, since it is larger than the sum of its proper divisors (1).

150603844026221 is an equidigital number, since it uses as much as digits as its factorization.

150603844026221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 150603844026221 in words is "one hundred fifty trillion, six hundred three billion, eight hundred forty-four million, twenty-six thousand, two hundred twenty-one".