115665352650 has 192 divisors, whose sum is σ = 326728373760. Its totient is φ = 30074284800.

The previous prime is 115665352637. The next prime is 115665352669. The reversal of 115665352650 is 56253566511.

115665352650 is a `hidden beast` number, since 1 + 1 + 5 + 66 + 535 + 2 + 6 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 115665352596 and 115665352605.

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, 17572360 + ... + 17578940.

It is an arithmetic number, because the mean of its divisors is an integer number (1701710280).

Almost surely, 2^115665352650 is an apocalyptic number.

115665352650 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 115665352650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163364186880).

115665352650 is an abundant number, since it is smaller than the sum of its proper divisors (211063021110).

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

115665352650 is a wasteful number, since it uses less digits than its factorization.

115665352650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926 (or 6915 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 115665352650 in words is "one hundred fifteen billion, six hundred sixty-five million, three hundred fifty-two thousand, six hundred fifty".