13805012918053 has 4 divisors (see below), whose sum is σ = 15777157620640. Its totient is φ = 11832868215468.

The previous prime is 13805012917981. The next prime is 13805012918069. The reversal of 13805012918053 is 35081921050831.

13805012918053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13805012918053 - 2²⁵ = 13804979363621 is a prime.

It is a super-2 number, since 2×13805012918053² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13805012917994 and 13805012918012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13805012918093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986072351283 + ... + 986072351296.

It is an arithmetic number, because the mean of its divisors is an integer number (3944289405160).

Almost surely, 2^{13805012918053} is an apocalyptic number.

It is an amenable number.

13805012918053 is a deficient number, since it is larger than the sum of its proper divisors (1972144702587).

13805012918053 is an equidigital number, since it uses as much as digits as its factorization.

13805012918053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972144702586.

The product of its (nonzero) digits is 259200, while the sum is 46.

Adding to 13805012918053 its reverse (35081921050831), we get a palindrome (48886933968884).

The spelling of 13805012918053 in words is "thirteen trillion, eight hundred five billion, twelve million, nine hundred eighteen thousand, fifty-three".