13612541243445 has 24 divisors (see below), whose sum is σ = 23595197918136. Its totient is φ = 7259983095168.

The previous prime is 13612541243393. The next prime is 13612541243459. The reversal of 13612541243445 is 54434214521631.

13612541243445 is a `hidden beast` number, since 1 + 3 + 6 + 12 + 541 + 24 + 34 + 45 = 666.

13612541243445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 807873797124 + 12804667446321 = 898818^2 + 3578361^2 .

It is not a de Polignac number, because 13612541243445 - 2⁶ = 13612541243381 is a prime.

It is a super-2 number, since 2×13612541243445² (a number of 27 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13612541243445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8981019 + ... + 10386711.

It is an arithmetic number, because the mean of its divisors is an integer number (983133246589).

Almost surely, 2^{13612541243445} is an apocalyptic number.

13612541243445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13612541243445 is a deficient number, since it is larger than the sum of its proper divisors (9982656674691).

13612541243445 is a wasteful number, since it uses less digits than its factorization.

13612541243445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620901 (or 1620898 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 13612541243445 in words is "thirteen trillion, six hundred twelve billion, five hundred forty-one million, two hundred forty-three thousand, four hundred forty-five".