1814812114815 has 36 divisors (see below), whose sum is σ = 3659253819624. Its totient is φ = 829628394336.

The previous prime is 1814812114789. The next prime is 1814812114859. The reversal of 1814812114815 is 5184112184181.

1814812114815 is a `hidden beast` number, since 1 + 8 + 1 + 48 + 121 + 1 + 481 + 5 = 666.

It is not a de Polignac number, because 1814812114815 - 2¹⁰ = 1814812113791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 411519817 + ... + 411524226.

It is an arithmetic number, because the mean of its divisors is an integer number (101645939434).

Almost surely, 2^{1814812114815} is an apocalyptic number.

1814812114815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1814812114815 is an abundant number, since it is smaller than the sum of its proper divisors (1844441704809).

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

1814812114815 is a wasteful number, since it uses less digits than its factorization.

1814812114815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823044068 (or 823044058 counting only the distinct ones).

The product of its digits is 81920, while the sum is 45.

Adding to 1814812114815 its reverse (5184112184181), we get a palindrome (6998924298996).

The spelling of 1814812114815 in words is "one trillion, eight hundred fourteen billion, eight hundred twelve million, one hundred fourteen thousand, eight hundred fifteen".