11340344378 has 32 divisors (see below), whose sum is σ = 19084552128. Its totient is φ = 5008521600.

The previous prime is 11340344363. The next prime is 11340344417. The reversal of 11340344378 is 87344304311.

It is a happy number.

It is a super-2 number, since 2×11340344378² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610301 + ... + 628607.

It is an arithmetic number, because the mean of its divisors is an integer number (596392254).

Almost surely, 2^11340344378 is an apocalyptic number.

11340344378 is a deficient number, since it is larger than the sum of its proper divisors (7744207750).

11340344378 is a wasteful number, since it uses less digits than its factorization.

11340344378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19118.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 11340344378 its reverse (87344304311), we get a palindrome (98684648689).

The spelling of 11340344378 in words is "eleven billion, three hundred forty million, three hundred forty-four thousand, three hundred seventy-eight".