11556889346049 has 8 divisors (see below), whose sum is σ = 15449843278560. Its totient is φ = 7684264155456.

The previous prime is 11556889346027. The next prime is 11556889346071. The reversal of 11556889346049 is 94064398865511.

It is an interprime number because it is at equal distance from previous prime (11556889346027) and next prime (11556889346071).

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

It is not a de Polignac number, because 11556889346049 - 2⁵ = 11556889346017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11556889346089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5082184152 + ... + 5082186425.

It is an arithmetic number, because the mean of its divisors is an integer number (1931230409820).

Almost surely, 2^{11556889346049} is an apocalyptic number.

It is an amenable number.

11556889346049 is a deficient number, since it is larger than the sum of its proper divisors (3892953932511).

11556889346049 is a wasteful number, since it uses less digits than its factorization.

11556889346049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164370959.

The product of its (nonzero) digits is 223948800, while the sum is 69.

The spelling of 11556889346049 in words is "eleven trillion, five hundred fifty-six billion, eight hundred eighty-nine million, three hundred forty-six thousand, forty-nine".