155134411242 has 32 divisors (see below), whose sum is σ = 311658065664. Its totient is φ = 51480230400.

The previous prime is 155134411213. The next prime is 155134411261. The reversal of 155134411242 is 242114431551.

155134411242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 2072142 + ... + 2145702.

It is an arithmetic number, because the mean of its divisors is an integer number (9739314552).

Almost surely, 2^155134411242 is an apocalyptic number.

155134411242 is an abundant number, since it is smaller than the sum of its proper divisors (156523654422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155134411242 is a wasteful number, since it uses less digits than its factorization.

155134411242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75134.

The product of its digits is 19200, while the sum is 33.

Adding to 155134411242 its reverse (242114431551), we get a palindrome (397248842793).

The spelling of 155134411242 in words is "one hundred fifty-five billion, one hundred thirty-four million, four hundred eleven thousand, two hundred forty-two".