13117819050 has 192 divisors, whose sum is σ = 42428355840. Its totient is φ = 2917244160.

The previous prime is 13117819049. The next prime is 13117819073. The reversal of 13117819050 is 5091871131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13117818996 and 13117819014.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 330892 + ... + 368408.

It is an arithmetic number, because the mean of its divisors is an integer number (220981020).

Almost surely, 2^13117819050 is an apocalyptic number.

13117819050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13117819050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21214177920).

13117819050 is an abundant number, since it is smaller than the sum of its proper divisors (29310536790).

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

13117819050 is a wasteful number, since it uses less digits than its factorization.

13117819050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37582 (or 37571 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 36.

The spelling of 13117819050 in words is "thirteen billion, one hundred seventeen million, eight hundred nineteen thousand, fifty".