151905067217 has 2 divisors, whose sum is σ = 151905067218. Its totient is φ = 151905067216.

The previous prime is 151905067211. The next prime is 151905067253. The reversal of 151905067217 is 712760509151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96449998096 + 55455069121 = 310564^2 + 235489^2 .

It is an emirp because it is prime and its reverse (712760509151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151905067217 - 2¹⁴ = 151905050833 is a prime.

It is not a weakly prime, because it can be changed into another prime (151905067211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75952533608 + 75952533609.

It is an arithmetic number, because the mean of its divisors is an integer number (75952533609).

Almost surely, 2^151905067217 is an apocalyptic number.

It is an amenable number.

151905067217 is a deficient number, since it is larger than the sum of its proper divisors (1).

151905067217 is an equidigital number, since it uses as much as digits as its factorization.

151905067217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 44.

The spelling of 151905067217 in words is "one hundred fifty-one billion, nine hundred five million, sixty-seven thousand, two hundred seventeen".