11505110650 has 48 divisors (see below), whose sum is σ = 23365254528. Its totient is φ = 4180032000.

The previous prime is 11505110647. The next prime is 11505110651. The reversal of 11505110650 is 5601150511.

11505110650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (11505110651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668554 + ... + 685546.

It is an arithmetic number, because the mean of its divisors is an integer number (486776136).

Almost surely, 2^11505110650 is an apocalyptic number.

11505110650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505110650 is an abundant number, since it is smaller than the sum of its proper divisors (11860143878).

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

11505110650 is a wasteful number, since it uses less digits than its factorization.

11505110650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18247 (or 18242 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 11505110650 in words is "eleven billion, five hundred five million, one hundred ten thousand, six hundred fifty".