13115374943 has 8 divisors (see below), whose sum is σ = 14332745856. Its totient is φ = 11902181400.

The previous prime is 13115374933. The next prime is 13115374991. The reversal of 13115374943 is 34947351131.

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

It is a cyclic number.

It is not a de Polignac number, because 13115374943 - 2¹⁰ = 13115373919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13115374943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115374933) 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, 1037771 + ... + 1050332.

It is an arithmetic number, because the mean of its divisors is an integer number (1791593232).

Almost surely, 2^13115374943 is an apocalyptic number.

13115374943 is a deficient number, since it is larger than the sum of its proper divisors (1217370913).

13115374943 is a wasteful number, since it uses less digits than its factorization.

13115374943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088685.

The product of its digits is 136080, while the sum is 41.

The spelling of 13115374943 in words is "thirteen billion, one hundred fifteen million, three hundred seventy-four thousand, nine hundred forty-three".