11081503212 has 24 divisors (see below), whose sum is σ = 27845828976. Its totient is φ = 3409693248.

The previous prime is 11081503187. The next prime is 11081503217. The reversal of 11081503212 is 21230518011.

It is not an unprimeable number, because it can be changed into a prime (11081503217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35517483 + ... + 35517794.

It is an arithmetic number, because the mean of its divisors is an integer number (1160242874).

Almost surely, 2^11081503212 is an apocalyptic number.

11081503212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11081503212 is an abundant number, since it is smaller than the sum of its proper divisors (16764325764).

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

11081503212 is a wasteful number, since it uses less digits than its factorization.

11081503212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71035297 (or 71035295 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 11081503212 in words is "eleven billion, eighty-one million, five hundred three thousand, two hundred twelve".