13805012918054 has 12 divisors (see below), whose sum is σ = 21854750368644. Its totient is φ = 6539216645052.

The previous prime is 13805012917981. The next prime is 13805012918069. The reversal of 13805012918054 is 45081921050831.

It is a happy number.

13805012918054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13805012918054² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9560257532 + ... + 9560258975.

It is an arithmetic number, because the mean of its divisors is an integer number (1821229197387).

Almost surely, 2^{13805012918054} is an apocalyptic number.

13805012918054 is a deficient number, since it is larger than the sum of its proper divisors (8049737450590).

13805012918054 is a wasteful number, since it uses less digits than its factorization.

13805012918054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19120516547 (or 19120516528 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

Adding to 13805012918054 its reverse (45081921050831), we get a palindrome (58886933968885).

The spelling of 13805012918054 in words is "thirteen trillion, eight hundred five billion, twelve million, nine hundred eighteen thousand, fifty-four".