150205051522261 has 2 divisors, whose sum is σ = 150205051522262. Its totient is φ = 150205051522260.

The previous prime is 150205051522037. The next prime is 150205051522301. The reversal of 150205051522261 is 162225150502051.

150205051522261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143658203062500 + 6546848459761 = 11985750^2 + 2558681^2 .

It is a cyclic number.

It is not a de Polignac number, because 150205051522261 - 2¹¹ = 150205051520213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150205051522261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150205051522661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75102525761130 + 75102525761131.

It is an arithmetic number, because the mean of its divisors is an integer number (75102525761131).

Almost surely, 2^{150205051522261} is an apocalyptic number.

It is an amenable number.

150205051522261 is a deficient number, since it is larger than the sum of its proper divisors (1).

150205051522261 is an equidigital number, since it uses as much as digits as its factorization.

150205051522261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 150205051522261 in words is "one hundred fifty trillion, two hundred five billion, fifty-one million, five hundred twenty-two thousand, two hundred sixty-one".