155134755461 has 4 divisors (see below), whose sum is σ = 177296863392. Its totient is φ = 132972647532.

The previous prime is 155134755449. The next prime is 155134755521. The reversal of 155134755461 is 164557431551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155134755461 - 2³⁰ = 154061013637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155134755401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11081053955 + ... + 11081053968.

It is an arithmetic number, because the mean of its divisors is an integer number (44324215848).

Almost surely, 2^155134755461 is an apocalyptic number.

It is an amenable number.

155134755461 is a deficient number, since it is larger than the sum of its proper divisors (22162107931).

155134755461 is an equidigital number, since it uses as much as digits as its factorization.

155134755461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22162107930.

The product of its digits is 1260000, while the sum is 47.

The spelling of 155134755461 in words is "one hundred fifty-five billion, one hundred thirty-four million, seven hundred fifty-five thousand, four hundred sixty-one".