11520101850 has 192 divisors, whose sum is σ = 32526489600. Its totient is φ = 2680335360.

The previous prime is 11520101849. The next prime is 11520101863. The reversal of 11520101850 is 5810102511.

It is a self number, because there is not a number n which added to its sum of digits gives 11520101850.

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, 2274621 + ... + 2279679.

It is an arithmetic number, because the mean of its divisors is an integer number (169408800).

Almost surely, 2^11520101850 is an apocalyptic number.

11520101850 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 11520101850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16263244800).

11520101850 is an abundant number, since it is smaller than the sum of its proper divisors (21006387750).

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

11520101850 is a wasteful number, since it uses less digits than its factorization.

11520101850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

The spelling of 11520101850 in words is "eleven billion, five hundred twenty million, one hundred one thousand, eight hundred fifty".