11030005500 has 96 divisors (see below), whose sum is σ = 32162527488. Its totient is φ = 2937384000.

The previous prime is 11030005487. The next prime is 11030005529. The reversal of 11030005500 is 550003011.

It is a super-2 number, since 2×11030005500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11030005500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1211967 + ... + 1221033.

It is an arithmetic number, because the mean of its divisors is an integer number (335026328).

Almost surely, 2^11030005500 is an apocalyptic number.

11030005500 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 11030005500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16081263744).

11030005500 is an abundant number, since it is smaller than the sum of its proper divisors (21132521988).

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

11030005500 is a wasteful number, since it uses less digits than its factorization.

11030005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900 (or 9888 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

Adding to 11030005500 its reverse (550003011), we get a palindrome (11580008511).

The spelling of 11030005500 in words is "eleven billion, thirty million, five thousand, five hundred".