11678613533249 has 12 divisors (see below), whose sum is σ = 13273753379796. Its totient is φ = 10212876607968.

The previous prime is 11678613533227. The next prime is 11678613533309. The reversal of 11678613533249 is 94233531687611.

It can be written as a sum of positive squares in 2 ways, for example, as 2045380508224 + 9633233025025 = 1430168^2 + 3103745^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11678613533249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11678613533749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1244254154 + ... + 1244263539.

It is an arithmetic number, because the mean of its divisors is an integer number (1106146114983).

Almost surely, 2^{11678613533249} is an apocalyptic number.

11678613533249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11678613533249 is a deficient number, since it is larger than the sum of its proper divisors (1595139846547).

11678613533249 is a wasteful number, since it uses less digits than its factorization.

11678613533249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488517744 (or 2488517725 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 59.

The spelling of 11678613533249 in words is "eleven trillion, six hundred seventy-eight billion, six hundred thirteen million, five hundred thirty-three thousand, two hundred forty-nine".