238171111121836 has 24 divisors (see below), whose sum is σ = 443261186884656. Its totient is φ = 111586776076800.

The previous prime is 238171111121821. The next prime is 238171111121861. The reversal of 238171111121836 is 638121111171832.

238171111121836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7714778265 + ... + 7714809136.

It is an arithmetic number, because the mean of its divisors is an integer number (18469216120194).

Almost surely, 2^{238171111121836} is an apocalyptic number.

It is an amenable number.

238171111121836 is a deficient number, since it is larger than the sum of its proper divisors (205090075762820).

238171111121836 is a wasteful number, since it uses less digits than its factorization.

238171111121836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15429587649 (or 15429587647 counting only the distinct ones).

The product of its digits is 96768, while the sum is 46.

The spelling of 238171111121836 in words is "two hundred thirty-eight trillion, one hundred seventy-one billion, one hundred eleven million, one hundred twenty-one thousand, eight hundred thirty-six".