151650538121 has 2 divisors, whose sum is σ = 151650538122. Its totient is φ = 151650538120.

The previous prime is 151650538003. The next prime is 151650538163. The reversal of 151650538121 is 121835056151.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147464448121 + 4186090000 = 384011^2 + 64700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151650538121 is a prime.

It is not a weakly prime, because it can be changed into another prime (151650138121) 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 as a sum of consecutive naturals, namely, 75825269060 + 75825269061.

It is an arithmetic number, because the mean of its divisors is an integer number (75825269061).

Almost surely, 2^151650538121 is an apocalyptic number.

It is an amenable number.

151650538121 is a deficient number, since it is larger than the sum of its proper divisors (1).

151650538121 is an equidigital number, since it uses as much as digits as its factorization.

151650538121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 38.

The spelling of 151650538121 in words is "one hundred fifty-one billion, six hundred fifty million, five hundred thirty-eight thousand, one hundred twenty-one".