11566240263686 has 8 divisors (see below), whose sum is σ = 17633776139904. Its totient is φ = 5688314883720.

The previous prime is 11566240263533. The next prime is 11566240263691. The reversal of 11566240263686 is 68636204266511.

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

It is a super-2 number, since 2×11566240263686² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47402623910 + ... + 47402624153.

It is an arithmetic number, because the mean of its divisors is an integer number (2204222017488).

Almost surely, 2^{11566240263686} is an apocalyptic number.

11566240263686 is a deficient number, since it is larger than the sum of its proper divisors (6067535876218).

11566240263686 is an equidigital number, since it uses as much as digits as its factorization.

11566240263686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94805248126.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 11566240263686 in words is "eleven trillion, five hundred sixty-six billion, two hundred forty million, two hundred sixty-three thousand, six hundred eighty-six".