11518031072 has 12 divisors (see below), whose sum is σ = 22676123736. Its totient is φ = 5759015520.

The previous prime is 11518031071. The next prime is 11518031081. The reversal of 11518031072 is 27013081511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11518031071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 179969204 + ... + 179969267.

It is an arithmetic number, because the mean of its divisors is an integer number (1889676978).

Almost surely, 2^11518031072 is an apocalyptic number.

It is an amenable number.

11518031072 is a deficient number, since it is larger than the sum of its proper divisors (11158092664).

11518031072 is an equidigital number, since it uses as much as digits as its factorization.

11518031072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359938481 (or 359938473 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 29.

The spelling of 11518031072 in words is "eleven billion, five hundred eighteen million, thirty-one thousand, seventy-two".