11623881827845 has 32 divisors (see below), whose sum is σ = 16841897395200. Its totient is φ = 7532070717696.

The previous prime is 11623881827827. The next prime is 11623881827849. The reversal of 11623881827845 is 54872818832611.

It is not a de Polignac number, because 11623881827845 - 2¹⁵ = 11623881795077 is a prime.

It is a super-3 number, since 3×11623881827845³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11623881827849) 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 31 ways as a sum of consecutive naturals, for example, 121783150 + ... + 121878559.

It is an arithmetic number, because the mean of its divisors is an integer number (526309293600).

Almost surely, 2^{11623881827845} is an apocalyptic number.

It is an amenable number.

11623881827845 is a deficient number, since it is larger than the sum of its proper divisors (5218015567355).

11623881827845 is a wasteful number, since it uses less digits than its factorization.

11623881827845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243661797.

The product of its digits is 41287680, while the sum is 64.

The spelling of 11623881827845 in words is "eleven trillion, six hundred twenty-three billion, eight hundred eighty-one million, eight hundred twenty-seven thousand, eight hundred forty-five".