11518031004 has 24 divisors (see below), whose sum is σ = 26945587200. Its totient is φ = 3829317744.

The previous prime is 11518030991. The next prime is 11518031009. The reversal of 11518031004 is 40013081511.

11518031004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11518031009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248454 + ... + 1257645.

It is an arithmetic number, because the mean of its divisors is an integer number (1122732800).

Almost surely, 2^11518031004 is an apocalyptic number.

It is an amenable number.

11518031004 is an abundant number, since it is smaller than the sum of its proper divisors (15427556196).

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

11518031004 is a wasteful number, since it uses less digits than its factorization.

11518031004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506489 (or 2506487 counting only the distinct ones).

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

The spelling of 11518031004 in words is "eleven billion, five hundred eighteen million, thirty-one thousand, four".