155254321127 has 2 divisors, whose sum is σ = 155254321128. Its totient is φ = 155254321126.

The previous prime is 155254321093. The next prime is 155254321129. The reversal of 155254321127 is 721123452551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155254321127 - 2²⁴ = 155237543911 is a prime.

Together with 155254321129, 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 (155254321129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77627160563 + 77627160564.

It is an arithmetic number, because the mean of its divisors is an integer number (77627160564).

Almost surely, 2^155254321127 is an apocalyptic number.

155254321127 is a deficient number, since it is larger than the sum of its proper divisors (1).

155254321127 is an equidigital number, since it uses as much as digits as its factorization.

155254321127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

Adding to 155254321127 its reverse (721123452551), we get a palindrome (876377773678).

The spelling of 155254321127 in words is "one hundred fifty-five billion, two hundred fifty-four million, three hundred twenty-one thousand, one hundred twenty-seven".