13111858835712 has 864 divisors, whose sum is σ = 49034416144896. Its totient is φ = 3274850304000.

The previous prime is 13111858835711. The next prime is 13111858835743. The reversal of 13111858835712 is 21753885811131.

13111858835712 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 1 + 8 + 588 + 3 + 57 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (13111858835711) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 487036012 + ... + 487062932.

It is an arithmetic number, because the mean of its divisors is an integer number (56752796464).

Almost surely, 2^{13111858835712} is an apocalyptic number.

13111858835712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111858835712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24517208072448).

13111858835712 is an abundant number, since it is smaller than the sum of its proper divisors (35922557309184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111858835712 is a wasteful number, since it uses less digits than its factorization.

13111858835712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27087 (or 27070 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 54.

The spelling of 13111858835712 in words is "thirteen trillion, one hundred eleven billion, eight hundred fifty-eight million, eight hundred thirty-five thousand, seven hundred twelve".