13261867115 has 32 divisors (see below), whose sum is σ = 18960445440. Its totient is φ = 8713296000.

The previous prime is 13261867067. The next prime is 13261867121. The reversal of 13261867115 is 51176816231.

It is not a de Polignac number, because 13261867115 - 2⁶ = 13261867051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49076 + ... + 170094.

It is an arithmetic number, because the mean of its divisors is an integer number (592513920).

Almost surely, 2^13261867115 is an apocalyptic number.

13261867115 is a deficient number, since it is larger than the sum of its proper divisors (5698578325).

13261867115 is a wasteful number, since it uses less digits than its factorization.

13261867115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121163.

The product of its digits is 60480, while the sum is 41.

The spelling of 13261867115 in words is "thirteen billion, two hundred sixty-one million, eight hundred sixty-seven thousand, one hundred fifteen".