11031437912 has 32 divisors (see below), whose sum is σ = 22578635520. Its totient is φ = 5011105440.

The previous prime is 11031437897. The next prime is 11031437929. The reversal of 11031437912 is 21973413011.

It is a super-3 number, since 3×11031437912³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 102413 + ... + 180419.

It is an arithmetic number, because the mean of its divisors is an integer number (705582360).

Almost surely, 2^11031437912 is an apocalyptic number.

It is an amenable number.

11031437912 is an abundant number, since it is smaller than the sum of its proper divisors (11547197608).

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

11031437912 is a wasteful number, since it uses less digits than its factorization.

11031437912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79631 (or 79627 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 11031437912 in words is "eleven billion, thirty-one million, four hundred thirty-seven thousand, nine hundred twelve".