11072968346449 has 3 divisors (see below), whose sum is σ = 11072971674057. Its totient is φ = 11072965018842.

The previous prime is 11072968346443. The next prime is 11072968346513. The reversal of 11072968346449 is 94464386927011.

The square root of 11072968346449 is 3327607.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 11072968346449 - 2²⁷ = 11072834128721 is a prime.

It is a super-2 number, since 2×11072968346449² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11072968346443) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1663804 + ... + 4991410.

It is an arithmetic number, because the mean of its divisors is an integer number (3690990558019).

Almost surely, 2^{11072968346449} is an apocalyptic number.

11072968346449 is the 3327607-th square number.

11072968346449 is the 1663804-th centered octagonal number.

It is an amenable number.

11072968346449 is a deficient number, since it is larger than the sum of its proper divisors (3327608).

11072968346449 is an frugal number, since it uses more digits than its factorization.

11072968346449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655214 (or 3327607 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 64.

Multiplying 11072968346449 by its sum of digits (64), we get a square (708669974172736 = 26620856²).

The spelling of 11072968346449 in words is "eleven trillion, seventy-two billion, nine hundred sixty-eight million, three hundred forty-six thousand, four hundred forty-nine".