11439229489249 has 9 divisors (see below), whose sum is σ = 11820248697009. Its totient is φ = 11070120620580.

The previous prime is 11439229489211. The next prime is 11439229489283. The reversal of 11439229489249 is 94298492293411.

The square root of 11439229489249 is 3382193.

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

11439229489249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11439229489249 - 2¹⁵ = 11439229456481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11439229489549) 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, 104793432 + ... + 104902534.

Almost surely, 2^{11439229489249} is an apocalyptic number.

11439229489249 is the 3382193-rd square number.

11439229489249 is the 1691097-th centered octagonal number.

It is an amenable number.

11439229489249 is a deficient number, since it is larger than the sum of its proper divisors (381019207760).

11439229489249 is an frugal number, since it uses more digits than its factorization.

11439229489249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218268 (or 109134 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 67.

The spelling of 11439229489249 in words is "eleven trillion, four hundred thirty-nine billion, two hundred twenty-nine million, four hundred eighty-nine thousand, two hundred forty-nine".