11030531120 has 120 divisors (see below), whose sum is σ = 30024779184. Its totient is φ = 3757598208.

The previous prime is 11030531117. The next prime is 11030531167. The reversal of 11030531120 is 2113503011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606479 + ... + 624401.

Almost surely, 2^11030531120 is an apocalyptic number.

11030531120 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 11030531120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15012389592).

11030531120 is an abundant number, since it is smaller than the sum of its proper divisors (18994248064).

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

11030531120 is a wasteful number, since it uses less digits than its factorization.

11030531120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18107 (or 18094 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The spelling of 11030531120 in words is "eleven billion, thirty million, five hundred thirty-one thousand, one hundred twenty".