11489052969 has 9 divisors (see below), whose sum is σ = 16595763223. Its totient is φ = 7659154272.

The previous prime is 11489052961. The next prime is 11489052977. The reversal of 11489052969 is 96925098411.

The square root of 11489052969 is 107187.

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

11489052969 is a `hidden beast` number, since 11 + 48 + 9 + 0 + 529 + 69 = 666.

It is an interprime number because it is at equal distance from previous prime (11489052961) and next prime (11489052977).

It can be written as a sum of positive squares in only one way, i.e., 108430569 + 11380622400 = 10413^2 + 106680^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11489052969 - 2³ = 11489052961 is a prime.

It is a super-2 number, since 2×11489052969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11489052961) 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, 303697 + ... + 339425.

Almost surely, 2^11489052969 is an apocalyptic number.

11489052969 is the 107187-th square number.

11489052969 is the 53594-th centered octagonal number.

It is an amenable number.

11489052969 is a deficient number, since it is larger than the sum of its proper divisors (5106710254).

11489052969 is an frugal number, since it uses more digits than its factorization.

11489052969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71464 (or 35732 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 11489052969 in words is "eleven billion, four hundred eighty-nine million, fifty-two thousand, nine hundred sixty-nine".