11030500000 has 168 divisors, whose sum is σ = 29250328716. Its totient is φ = 4070400000.

The previous prime is 11030499967. The next prime is 11030500003. The reversal of 11030500000 is 503011.

It can be written as a sum of positive squares in 14 ways, for example, as 8857821456 + 2172678544 = 94116^2 + 46612^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 11030500000.

It is not an unprimeable number, because it can be changed into a prime (11030500003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6499152 + ... + 6500848.

Almost surely, 2^11030500000 is an apocalyptic number.

11030500000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11030500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14625164358).

11030500000 is an abundant number, since it is smaller than the sum of its proper divisors (18219828716).

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

11030500000 is an frugal number, since it uses more digits than its factorization.

11030500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The spelling of 11030500000 in words is "eleven billion, thirty million, five hundred thousand".