11040555012 has 12 divisors (see below), whose sum is σ = 25761295056. Its totient is φ = 3680185000.

The previous prime is 11040555011. The next prime is 11040555061. The reversal of 11040555012 is 21055504011.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11040555011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460023114 + ... + 460023137.

It is an arithmetic number, because the mean of its divisors is an integer number (2146774588).

Almost surely, 2^11040555012 is an apocalyptic number.

11040555012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11040555012 is an abundant number, since it is smaller than the sum of its proper divisors (14720740044).

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

11040555012 is a wasteful number, since it uses less digits than its factorization.

11040555012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920046258 (or 920046256 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 11040555012 in words is "eleven billion, forty million, five hundred fifty-five thousand, twelve".