151165122217 has 2 divisors, whose sum is σ = 151165122218. Its totient is φ = 151165122216.

The previous prime is 151165122139. The next prime is 151165122257. The reversal of 151165122217 is 712221561151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150504426601 + 660695616 = 387949^2 + 25704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151165122217 is a prime.

It is not a weakly prime, because it can be changed into another prime (151165122257) 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, 75582561108 + 75582561109.

It is an arithmetic number, because the mean of its divisors is an integer number (75582561109).

Almost surely, 2^151165122217 is an apocalyptic number.

It is an amenable number.

151165122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

151165122217 is an equidigital number, since it uses as much as digits as its factorization.

151165122217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 34.

Adding to 151165122217 its reverse (712221561151), we get a palindrome (863386683368).

The spelling of 151165122217 in words is "one hundred fifty-one billion, one hundred sixty-five million, one hundred twenty-two thousand, two hundred seventeen".