11650255650 has 384 divisors, whose sum is σ = 37240473600. Its totient is φ = 2648505600.

The previous prime is 11650255649. The next prime is 11650255663. The reversal of 11650255650 is 5655205611.

11650255650 is a `hidden beast` number, since 1 + 1 + 6 + 50 + 2 + 556 + 50 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44297419 + ... + 44297681.

It is an arithmetic number, because the mean of its divisors is an integer number (96980400).

Almost surely, 2^11650255650 is an apocalyptic number.

11650255650 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 11650255650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18620236800).

11650255650 is an abundant number, since it is smaller than the sum of its proper divisors (25590217950).

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

11650255650 is a wasteful number, since it uses less digits than its factorization.

11650255650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 11650255650 in words is "eleven billion, six hundred fifty million, two hundred fifty-five thousand, six hundred fifty".