11561026323684 has 12 divisors (see below), whose sum is σ = 26975728088624. Its totient is φ = 3853675441224.

The previous prime is 11561026323647. The next prime is 11561026323689. The reversal of 11561026323684 is 48632362016511.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11561026323689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481709430142 + ... + 481709430165.

Almost surely, 2^{11561026323684} is an apocalyptic number.

It is an amenable number.

11561026323684 is an abundant number, since it is smaller than the sum of its proper divisors (15414701764940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11561026323684 is a wasteful number, since it uses less digits than its factorization.

11561026323684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963418860314 (or 963418860312 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 11561026323684 in words is "eleven trillion, five hundred sixty-one billion, twenty-six million, three hundred twenty-three thousand, six hundred eighty-four".