11556646532413 has 8 divisors (see below), whose sum is σ = 11777901640128. Its totient is φ = 11337488629824.

The previous prime is 11556646532411. The next prime is 11556646532419. The reversal of 11556646532413 is 31423564665511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11556646532413 - 2¹ = 11556646532411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556646532411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524290156 + ... + 524312197.

It is an arithmetic number, because the mean of its divisors is an integer number (1472237705016).

Almost surely, 2^{11556646532413} is an apocalyptic number.

It is an amenable number.

11556646532413 is a deficient number, since it is larger than the sum of its proper divisors (221255107715).

11556646532413 is a wasteful number, since it uses less digits than its factorization.

11556646532413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048602563.

The product of its digits is 7776000, while the sum is 52.

The spelling of 11556646532413 in words is "eleven trillion, five hundred fifty-six billion, six hundred forty-six million, five hundred thirty-two thousand, four hundred thirteen".