150540552121 has 2 divisors, whose sum is σ = 150540552122. Its totient is φ = 150540552120.

The previous prime is 150540552101. The next prime is 150540552143. The reversal of 150540552121 is 121255045051.

150540552121 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., 103478022400 + 47062529721 = 321680^2 + 216939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150540552121 is a prime.

It is not a weakly prime, because it can be changed into another prime (150540552101) 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, 75270276060 + 75270276061.

It is an arithmetic number, because the mean of its divisors is an integer number (75270276061).

Almost surely, 2^150540552121 is an apocalyptic number.

It is an amenable number.

150540552121 is a deficient number, since it is larger than the sum of its proper divisors (1).

150540552121 is an equidigital number, since it uses as much as digits as its factorization.

150540552121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 150540552121 its reverse (121255045051), we get a palindrome (271795597172).

The spelling of 150540552121 in words is "one hundred fifty billion, five hundred forty million, five hundred fifty-two thousand, one hundred twenty-one".