11556605315422 has 8 divisors (see below), whose sum is σ = 17338811365872. Its totient is φ = 5777001526800.

The previous prime is 11556605315393. The next prime is 11556605315429. The reversal of 11556605315422 is 22451350665511.

It is a happy number.

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

It is a super-2 number, since 2×11556605315422² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556605315429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650554354 + ... + 650572117.

It is an arithmetic number, because the mean of its divisors is an integer number (2167351420734).

Almost surely, 2^{11556605315422} is an apocalyptic number.

11556605315422 is a deficient number, since it is larger than the sum of its proper divisors (5782206050450).

11556605315422 is a wasteful number, since it uses less digits than its factorization.

11556605315422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301130914.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 11556605315422 in words is "eleven trillion, five hundred fifty-six billion, six hundred five million, three hundred fifteen thousand, four hundred twenty-two".