11505000130750 has 64 divisors (see below), whose sum is σ = 24614737145856. Its totient is φ = 3944473533600.

The previous prime is 11505000130703. The next prime is 11505000130751. The reversal of 11505000130750 is 5703100050511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505000130751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126456777 + ... + 126547723.

It is an arithmetic number, because the mean of its divisors is an integer number (384605267904).

Almost surely, 2^{11505000130750} is an apocalyptic number.

11505000130750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505000130750 is an abundant number, since it is smaller than the sum of its proper divisors (13109737015106).

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

11505000130750 is an equidigital number, since it uses as much as digits as its factorization.

11505000130750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163258 (or 163248 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 28.

The spelling of 11505000130750 in words is "eleven trillion, five hundred five billion, one hundred thirty thousand, seven hundred fifty".