11556768346 has 4 divisors (see below), whose sum is σ = 17335152522. Its totient is φ = 5778384172.

The previous prime is 11556768343. The next prime is 11556768389. The reversal of 11556768346 is 64386765511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11212480321 + 344288025 = 105889^2 + 18555^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11556768293 and 11556768302.

It is not an unprimeable number, because it can be changed into a prime (11556768341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889192085 + ... + 2889192088.

Almost surely, 2^11556768346 is an apocalyptic number.

11556768346 is a deficient number, since it is larger than the sum of its proper divisors (5778384176).

11556768346 is an equidigital number, since it uses as much as digits as its factorization.

11556768346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778384175.

The product of its digits is 3628800, while the sum is 52.

The spelling of 11556768346 in words is "eleven billion, five hundred fifty-six million, seven hundred sixty-eight thousand, three hundred forty-six".