11340344547 has 64 divisors (see below), whose sum is σ = 20745216000. Its totient is φ = 6098924160.

The previous prime is 11340344537. The next prime is 11340344591. The reversal of 11340344547 is 74544304311.

It is not a de Polignac number, because 11340344547 - 2²³ = 11331955939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11340344537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121422 + ... + 193452.

It is an arithmetic number, because the mean of its divisors is an integer number (324144000).

Almost surely, 2^11340344547 is an apocalyptic number.

11340344547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11340344547 is a deficient number, since it is larger than the sum of its proper divisors (9404871453).

11340344547 is an equidigital number, since it uses as much as digits as its factorization.

11340344547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72078 (or 72058 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Adding to 11340344547 its reverse (74544304311), we get a palindrome (85884648858).

The spelling of 11340344547 in words is "eleven billion, three hundred forty million, three hundred forty-four thousand, five hundred forty-seven".