155253312435119 has 2 divisors, whose sum is σ = 155253312435120. Its totient is φ = 155253312435118.

The previous prime is 155253312435077. The next prime is 155253312435173. The reversal of 155253312435119 is 911534213352551.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155253312435119 - 2¹² = 155253312431023 is a prime.

It is a super-2 number, since 2×155253312435119² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155253312035119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77626656217559 + 77626656217560.

It is an arithmetic number, because the mean of its divisors is an integer number (77626656217560).

Almost surely, 2^{155253312435119} is an apocalyptic number.

155253312435119 is a deficient number, since it is larger than the sum of its proper divisors (1).

155253312435119 is an equidigital number, since it uses as much as digits as its factorization.

155253312435119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430000, while the sum is 50.

The spelling of 155253312435119 in words is "one hundred fifty-five trillion, two hundred fifty-three billion, three hundred twelve million, four hundred thirty-five thousand, one hundred nineteen".