13051850807808 has 240 divisors, whose sum is σ = 37768492177416. Its totient is φ = 4339087441920.

The previous prime is 13051850807797. The next prime is 13051850807837. The reversal of 13051850807808 is 80870805815031.

13051850807808 is a `hidden beast` number, since 1 + 3 + 0 + 51 + 8 + 508 + 0 + 7 + 80 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9611686473984 + 3440164333824 = 3100272^2 + 1854768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3869506410 + ... + 3869509782.

Almost surely, 2^{13051850807808} is an apocalyptic number.

13051850807808 is a gapful number since it is divisible by the number (18) 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 13051850807808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18884246088708).

13051850807808 is an abundant number, since it is smaller than the sum of its proper divisors (24716641369608).

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

13051850807808 is a wasteful number, since it uses less digits than its factorization.

13051850807808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375 (or 5356 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 54.

The spelling of 13051850807808 in words is "thirteen trillion, fifty-one billion, eight hundred fifty million, eight hundred seven thousand, eight hundred eight".