11234435155 has 4 divisors (see below), whose sum is σ = 13481322192. Its totient is φ = 8987548120.

The previous prime is 11234435153. The next prime is 11234435161. The reversal of 11234435155 is 55153443211.

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

It is not a de Polignac number, because 11234435155 - 2¹ = 11234435153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11234435155.

It is not an unprimeable number, because it can be changed into a prime (11234435153) 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, 1123443511 + ... + 1123443520.

It is an arithmetic number, because the mean of its divisors is an integer number (3370330548).

Almost surely, 2^11234435155 is an apocalyptic number.

11234435155 is a deficient number, since it is larger than the sum of its proper divisors (2246887037).

11234435155 is an equidigital number, since it uses as much as digits as its factorization.

11234435155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246887036.

The product of its digits is 36000, while the sum is 34.

Adding to 11234435155 its reverse (55153443211), we get a palindrome (66387878366).

The spelling of 11234435155 in words is "eleven billion, two hundred thirty-four million, four hundred thirty-five thousand, one hundred fifty-five".