11709852450 has 192 divisors, whose sum is σ = 31660295040. Its totient is φ = 2852720640.

The previous prime is 11709852449. The next prime is 11709852457. The reversal of 11709852450 is 5425890711.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11709852457) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29495652 + ... + 29496048.

It is an arithmetic number, because the mean of its divisors is an integer number (164897370).

Almost surely, 2^11709852450 is an apocalyptic number.

11709852450 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 11709852450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15830147520).

11709852450 is an abundant number, since it is smaller than the sum of its proper divisors (19950442590).

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

11709852450 is a wasteful number, since it uses less digits than its factorization.

11709852450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 11709852450 in words is "eleven billion, seven hundred nine million, eight hundred fifty-two thousand, four hundred fifty".