1821501840114 has 24 divisors (see below), whose sum is σ = 4305367986192. Its totient is φ = 551970254520.

The previous prime is 1821501840097. The next prime is 1821501840127. The reversal of 1821501840114 is 4110481051281.

1821501840114 is a `hidden beast` number, since 1 + 82 + 150 + 18 + 401 + 14 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4599751924 + ... + 4599752319.

It is an arithmetic number, because the mean of its divisors is an integer number (179390332758).

Almost surely, 2^{1821501840114} is an apocalyptic number.

1821501840114 is an abundant number, since it is smaller than the sum of its proper divisors (2483866146078).

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

1821501840114 is a wasteful number, since it uses less digits than its factorization.

1821501840114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9199504262 (or 9199504259 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

Adding to 1821501840114 its reverse (4110481051281), we get a palindrome (5931982891395).

The spelling of 1821501840114 in words is "one trillion, eight hundred twenty-one billion, five hundred one million, eight hundred forty thousand, one hundred fourteen".