13051171368 has 192 divisors, whose sum is σ = 38007590400. Its totient is φ = 4036677120.

The previous prime is 13051171321. The next prime is 13051171391. The reversal of 13051171368 is 86317115031.

13051171368 is a `hidden beast` number, since 1 + 3 + 0 + 511 + 7 + 136 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10550046 + ... + 10551282.

It is an arithmetic number, because the mean of its divisors is an integer number (197956200).

Almost surely, 2^13051171368 is an apocalyptic number.

13051171368 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 13051171368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19003795200).

13051171368 is an abundant number, since it is smaller than the sum of its proper divisors (24956419032).

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

13051171368 is a wasteful number, since it uses less digits than its factorization.

13051171368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Adding to 13051171368 its reverse (86317115031), we get a palindrome (99368286399).

The spelling of 13051171368 in words is "thirteen billion, fifty-one million, one hundred seventy-one thousand, three hundred sixty-eight".