290012120001161 has 2 divisors, whose sum is σ = 290012120001162. Its totient is φ = 290012120001160.

The previous prime is 290012120001083. The next prime is 290012120001179. The reversal of 290012120001161 is 161100021210092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209823336678400 + 80188783322761 = 14485280^2 + 8954819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290012120001161 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 290012120001161.

It is not a weakly prime, because it can be changed into another prime (290015120001161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145006060000580 + 145006060000581.

It is an arithmetic number, because the mean of its divisors is an integer number (145006060000581).

Almost surely, 2^{290012120001161} is an apocalyptic number.

It is an amenable number.

290012120001161 is a deficient number, since it is larger than the sum of its proper divisors (1).

290012120001161 is an equidigital number, since it uses as much as digits as its factorization.

290012120001161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 290012120001161 in words is "two hundred ninety trillion, twelve billion, one hundred twenty million, one thousand, one hundred sixty-one".