155013551434373 has 2 divisors, whose sum is σ = 155013551434374. Its totient is φ = 155013551434372.

The previous prime is 155013551434309. The next prime is 155013551434393. The reversal of 155013551434373 is 373434155310551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141984931242049 + 13028620192324 = 11915743^2 + 3609518^2 .

It is a cyclic number.

It is not a de Polignac number, because 155013551434373 - 2⁶ = 155013551434309 is a prime.

It is a super-2 number, since 2×155013551434373² (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 (155013551434393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77506775717186 + 77506775717187.

It is an arithmetic number, because the mean of its divisors is an integer number (77506775717187).

Almost surely, 2^{155013551434373} is an apocalyptic number.

It is an amenable number.

155013551434373 is a deficient number, since it is larger than the sum of its proper divisors (1).

155013551434373 is an equidigital number, since it uses as much as digits as its factorization.

155013551434373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670000, while the sum is 50.

The spelling of 155013551434373 in words is "one hundred fifty-five trillion, thirteen billion, five hundred fifty-one million, four hundred thirty-four thousand, three hundred seventy-three".