109159786260 has 216 divisors, whose sum is σ = 385837733736. Its totient is φ = 24908083200.

The previous prime is 109159786231. The next prime is 109159786331. The reversal of 109159786260 is 62687951901.

109159786260 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 5 + 9 + 7 + 8 + 626 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 58139818884 + 51019967376 = 241122^2 + 225876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109159786197 and 109159786206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5290524 + ... + 5311116.

Almost surely, 2^109159786260 is an apocalyptic number.

109159786260 is a gapful number since it is divisible by the number (10) 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 109159786260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192918866868).

109159786260 is an abundant number, since it is smaller than the sum of its proper divisors (276677947476).

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

109159786260 is a wasteful number, since it uses less digits than its factorization.

109159786260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21223 (or 21211 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 109159786260 in words is "one hundred nine billion, one hundred fifty-nine million, seven hundred eighty-six thousand, two hundred sixty".