13805503621748 has 12 divisors (see below), whose sum is σ = 24938974284672. Its totient is φ = 6680082397560.

The previous prime is 13805503621709. The next prime is 13805503621817. The reversal of 13805503621748 is 84712630550831.

It is a self number, because there is not a number n which added to its sum of digits gives 13805503621748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55667353190 + ... + 55667353437.

It is an arithmetic number, because the mean of its divisors is an integer number (2078247857056).

Almost surely, 2^{13805503621748} is an apocalyptic number.

It is an amenable number.

13805503621748 is a deficient number, since it is larger than the sum of its proper divisors (11133470662924).

13805503621748 is a wasteful number, since it uses less digits than its factorization.

13805503621748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111334706662 (or 111334706660 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 13805503621748 in words is "thirteen trillion, eight hundred five billion, five hundred three million, six hundred twenty-one thousand, seven hundred forty-eight".