155235113543 has 4 divisors (see below), whose sum is σ = 155588724720. Its totient is φ = 154881502368.

The previous prime is 155235113497. The next prime is 155235113581. The reversal of 155235113543 is 345311532551.

155235113543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155235113543 - 2¹⁴ = 155235097159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155235113497 and 155235113506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155235113443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176804930 + ... + 176805807.

It is an arithmetic number, because the mean of its divisors is an integer number (38897181180).

Almost surely, 2^155235113543 is an apocalyptic number.

155235113543 is a deficient number, since it is larger than the sum of its proper divisors (353611177).

155235113543 is an equidigital number, since it uses as much as digits as its factorization.

155235113543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353611176.

The product of its digits is 135000, while the sum is 38.

The spelling of 155235113543 in words is "one hundred fifty-five billion, two hundred thirty-five million, one hundred thirteen thousand, five hundred forty-three".