1150122135161 has 2 divisors, whose sum is σ = 1150122135162. Its totient is φ = 1150122135160.

The previous prime is 1150122135137. The next prime is 1150122135167. The reversal of 1150122135161 is 1615312210511.

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., 1113117841936 + 37004293225 = 1055044^2 + 192365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150122135161 - 2²⁶ = 1150055026297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1150122135167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575061067580 + 575061067581.

It is an arithmetic number, because the mean of its divisors is an integer number (575061067581).

Almost surely, 2^{1150122135161} is an apocalyptic number.

It is an amenable number.

1150122135161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150122135161 is an equidigital number, since it uses as much as digits as its factorization.

1150122135161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 1150122135161 its reverse (1615312210511), we get a palindrome (2765434345672).

The spelling of 1150122135161 in words is "one trillion, one hundred fifty billion, one hundred twenty-two million, one hundred thirty-five thousand, one hundred sixty-one".