11518764144 has 40 divisors (see below), whose sum is σ = 29768435472. Its totient is φ = 3838087680.

The previous prime is 11518764143. The next prime is 11518764167. The reversal of 11518764144 is 44146781511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11518764096 and 11518764105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11518764143) 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, 80814 + ... + 171954.

Almost surely, 2^11518764144 is an apocalyptic number.

It is an amenable number.

11518764144 is an abundant number, since it is smaller than the sum of its proper divisors (18249671328).

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

11518764144 is a wasteful number, since it uses less digits than its factorization.

11518764144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93785 (or 93779 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The spelling of 11518764144 in words is "eleven billion, five hundred eighteen million, seven hundred sixty-four thousand, one hundred forty-four".