13042061043509 has 8 divisors (see below), whose sum is σ = 13050686556000. Its totient is φ = 13033435997232.

The previous prime is 13042061043421. The next prime is 13042061043541. The reversal of 13042061043509 is 90534016024031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13042061043509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042061040509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69475427 + ... + 69662895.

It is an arithmetic number, because the mean of its divisors is an integer number (1631335819500).

Almost surely, 2^{13042061043509} is an apocalyptic number.

It is an amenable number.

13042061043509 is a deficient number, since it is larger than the sum of its proper divisors (8625512491).

13042061043509 is a wasteful number, since it uses less digits than its factorization.

13042061043509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233107.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 13042061043509 in words is "thirteen trillion, forty-two billion, sixty-one million, forty-three thousand, five hundred nine".