155134255503 has 16 divisors (see below), whose sum is σ = 207971721216. Its totient is φ = 102860038560.

The previous prime is 155134255439. The next prime is 155134255511. The reversal of 155134255503 is 305552431551.

155134255503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155134255503 - 2⁶ = 155134255439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155134255543) 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 15 ways as a sum of consecutive naturals, for example, 3030426 + ... + 3081192.

It is an arithmetic number, because the mean of its divisors is an integer number (12998232576).

Almost surely, 2^155134255503 is an apocalyptic number.

155134255503 is a deficient number, since it is larger than the sum of its proper divisors (52837465713).

155134255503 is a wasteful number, since it uses less digits than its factorization.

155134255503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56294.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 155134255503 in words is "one hundred fifty-five billion, one hundred thirty-four million, two hundred fifty-five thousand, five hundred three".