11134342321 has 8 divisors (see below), whose sum is σ = 11792934504. Its totient is φ = 10476153600.

The previous prime is 11134342309. The next prime is 11134342337. The reversal of 11134342321 is 12324343111.

It can be written as a sum of positive squares in 4 ways, for example, as 1008951696 + 10125390625 = 31764^2 + 100625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11134342321 - 2²¹ = 11132245169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11134342381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43090 + ... + 155323.

It is an arithmetic number, because the mean of its divisors is an integer number (1474116813).

Almost surely, 2^11134342321 is an apocalyptic number.

It is an amenable number.

11134342321 is a deficient number, since it is larger than the sum of its proper divisors (658592183).

11134342321 is a wasteful number, since it uses less digits than its factorization.

11134342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201731.

The product of its digits is 1728, while the sum is 25.

Adding to 11134342321 its reverse (12324343111), we get a palindrome (23458685432).

It can be divided in two parts, 111343 and 42321, that added together give a square (153664 = 392²).

The spelling of 11134342321 in words is "eleven billion, one hundred thirty-four million, three hundred forty-two thousand, three hundred twenty-one".