13115615742361 has 32 divisors (see below), whose sum is σ = 14443917812352. Its totient is φ = 11810507304960.

The previous prime is 13115615742319. The next prime is 13115615742379. The reversal of 13115615742361 is 16324751651131.

It is a cyclic number.

It is not a de Polignac number, because 13115615742361 - 2¹¹ = 13115615740313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13115615742301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754325910 + ... + 754343296.

It is an arithmetic number, because the mean of its divisors is an integer number (451372431636).

Almost surely, 2^{13115615742361} is an apocalyptic number.

13115615742361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13115615742361 is a deficient number, since it is larger than the sum of its proper divisors (1328302069991).

13115615742361 is a wasteful number, since it uses less digits than its factorization.

13115615742361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18889.

The product of its digits is 453600, while the sum is 46.

The spelling of 13115615742361 in words is "thirteen trillion, one hundred fifteen billion, six hundred fifteen million, seven hundred forty-two thousand, three hundred sixty-one".