12115087713844 has 24 divisors (see below), whose sum is σ = 21225744204840. Its totient is φ = 6050592698496.

The previous prime is 12115087713823. The next prime is 12115087713889. The reversal of 12115087713844 is 44831778051121.

It can be written as a sum of positive squares in 4 ways, for example, as 1251221216400 + 10863866497444 = 1118580^2 + 3296038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12115087713791 and 12115087713800.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14217222 + ... + 15045250.

It is an arithmetic number, because the mean of its divisors is an integer number (884406008535).

Almost surely, 2^{12115087713844} is an apocalyptic number.

It is an amenable number.

12115087713844 is a deficient number, since it is larger than the sum of its proper divisors (9110656490996).

12115087713844 is a wasteful number, since it uses less digits than its factorization.

12115087713844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832227 (or 832225 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 12115087713844 in words is "twelve trillion, one hundred fifteen billion, eighty-seven million, seven hundred thirteen thousand, eight hundred forty-four".