11646252243 has 12 divisors (see below), whose sum is σ = 16828080360. Its totient is φ = 7761530016.

The previous prime is 11646252229. The next prime is 11646252251. The reversal of 11646252243 is 34225264611.

11646252243 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 625 + 2 + 24 + 3 = 666.

It is not a de Polignac number, because 11646252243 - 2¹⁴ = 11646235859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11646252198 and 11646252207.

It is not an unprimeable number, because it can be changed into a prime (11646256243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191698 + ... + 245031.

It is an arithmetic number, because the mean of its divisors is an integer number (1402340030).

Almost surely, 2^11646252243 is an apocalyptic number.

11646252243 is a deficient number, since it is larger than the sum of its proper divisors (5181828117).

11646252243 is a wasteful number, since it uses less digits than its factorization.

11646252243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439698 (or 439695 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 11646252243 in words is "eleven billion, six hundred forty-six million, two hundred fifty-two thousand, two hundred forty-three".