155271119 has 2 divisors, whose sum is σ = 155271120. Its totient is φ = 155271118.

The previous prime is 155271113. The next prime is 155271121. The reversal of 155271119 is 911172551.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (911172551) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155271119 is a prime.

It is a super-2 number, since 2×155271119² = 48218240791024322, which contains 22 as substring.

Together with 155271121, 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 (155271113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77635559 + 77635560.

It is an arithmetic number, because the mean of its divisors is an integer number (77635560).

Almost surely, 2^155271119 is an apocalyptic number.

155271119 is a deficient number, since it is larger than the sum of its proper divisors (1).

155271119 is an equidigital number, since it uses as much as digits as its factorization.

155271119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 32.

The square root of 155271119 is about 12460.7832418352. The cubic root of 155271119 is about 537.4815500427.

The spelling of 155271119 in words is "one hundred fifty-five million, two hundred seventy-one thousand, one hundred nineteen".