11474255192689 has 9 divisors (see below), whose sum is σ = 11672233649803. Its totient is φ = 11279579823832.

The previous prime is 11474255192681. The next prime is 11474255192707. The reversal of 11474255192689 is 98629155247411.

It is a happy number.

The square root of 11474255192689 is 3387367.

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

It can be written as a sum of positive squares in only one way, i.e., 1016094240225 + 10458160952464 = 1008015^2 + 3233908^2 .

It is not a de Polignac number, because 11474255192689 - 2³ = 11474255192681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11474255192689.

It is not an unprimeable number, because it can be changed into a prime (11474255192681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 199825947 + ... + 199883359.

Almost surely, 2^{11474255192689} is an apocalyptic number.

11474255192689 is the 3387367-th square number.

11474255192689 is the 1693684-th centered octagonal number.

It is an amenable number.

11474255192689 is a deficient number, since it is larger than the sum of its proper divisors (197978457114).

11474255192689 is an frugal number, since it uses more digits than its factorization.

11474255192689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114944 (or 57472 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 64.

Multiplying 11474255192689 by its sum of digits (64), we get a square (734352332332096 = 27098936²).

The spelling of 11474255192689 in words is "eleven trillion, four hundred seventy-four billion, two hundred fifty-five million, one hundred ninety-two thousand, six hundred eighty-nine".