26887259317113 has 288 divisors, whose sum is σ = 45488002560000. Its totient is φ = 15250967027712.

The previous prime is 26887259317109. The next prime is 26887259317147. The reversal of 26887259317113 is 31171395278862.

It is a happy number.

26887259317113 is a `hidden beast` number, since 2 + 68 + 8 + 7 + 259 + 317 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 26887259317113 - 2² = 26887259317109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26887259317813) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 61246604148 + ... + 61246604586.

Almost surely, 2^{26887259317113} is an apocalyptic number.

It is an amenable number.

26887259317113 is a deficient number, since it is larger than the sum of its proper divisors (18600743242887).

26887259317113 is a wasteful number, since it uses less digits than its factorization.

26887259317113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 885 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The spelling of 26887259317113 in words is "twenty-six trillion, eight hundred eighty-seven billion, two hundred fifty-nine million, three hundred seventeen thousand, one hundred thirteen".