13115426340155 has 16 divisors (see below), whose sum is σ = 16430587905600. Its totient is φ = 10037595496320.

The previous prime is 13115426340109. The next prime is 13115426340223. The reversal of 13115426340155 is 55104362451131.

It is not a de Polignac number, because 13115426340155 - 2⁶ = 13115426340091 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414898031 + ... + 414929640.

It is an arithmetic number, because the mean of its divisors is an integer number (1026911744100).

Almost surely, 2^{13115426340155} is an apocalyptic number.

13115426340155 is a deficient number, since it is larger than the sum of its proper divisors (3315161565445).

13115426340155 is a wasteful number, since it uses less digits than its factorization.

13115426340155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829827814.

The product of its (nonzero) digits is 216000, while the sum is 41.

Adding to 13115426340155 its reverse (55104362451131), we get a palindrome (68219788791286).

The spelling of 13115426340155 in words is "thirteen trillion, one hundred fifteen billion, four hundred twenty-six million, three hundred forty thousand, one hundred fifty-five".