151111271 has 2 divisors, whose sum is σ = 151111272. Its totient is φ = 151111270.

The previous prime is 151111223. The next prime is 151111273. The reversal of 151111271 is 172111151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151111271 - 2¹⁰ = 151110247 is a prime.

Together with 151111273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151111273) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75555635 + 75555636.

It is an arithmetic number, because the mean of its divisors is an integer number (75555636).

Almost surely, 2^151111271 is an apocalyptic number.

151111271 is a deficient number, since it is larger than the sum of its proper divisors (1).

151111271 is an equidigital number, since it uses as much as digits as its factorization.

151111271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70, while the sum is 20.

The square root of 151111271 is about 12292.7324464498. The cubic root of 151111271 is about 532.6381705562.

The spelling of 151111271 in words is "one hundred fifty-one million, one hundred eleven thousand, two hundred seventy-one".