11134434321 has 24 divisors (see below), whose sum is σ = 17079397920. Its totient is φ = 6970029696.

The previous prime is 11134434307. The next prime is 11134434323. The reversal of 11134434321 is 12343443111.

It is not a de Polignac number, because 11134434321 - 2²⁶ = 11067325457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11134434323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268791 + ... + 307436.

It is an arithmetic number, because the mean of its divisors is an integer number (711641580).

Almost surely, 2^11134434321 is an apocalyptic number.

It is an amenable number.

11134434321 is a deficient number, since it is larger than the sum of its proper divisors (5944963599).

11134434321 is a wasteful number, since it uses less digits than its factorization.

11134434321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576365 (or 576362 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 11134434321 its reverse (12343443111), we get a palindrome (23477877432).

The spelling of 11134434321 in words is "eleven billion, one hundred thirty-four million, four hundred thirty-four thousand, three hundred twenty-one".