11728014588 has 18 divisors (see below), whose sum is σ = 29645814744. Its totient is φ = 3909338184.

The previous prime is 11728014577. The next prime is 11728014619. The reversal of 11728014588 is 88541082711.

11728014588 is a `hidden beast` number, since 117 + 2 + 80 + 1 + 458 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162889056 + ... + 162889127.

It is an arithmetic number, because the mean of its divisors is an integer number (1646989708).

Almost surely, 2^11728014588 is an apocalyptic number.

11728014588 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11728014588 is an abundant number, since it is smaller than the sum of its proper divisors (17917800156).

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

11728014588 is a wasteful number, since it uses less digits than its factorization.

11728014588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325778193 (or 325778188 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 11728014588 in words is "eleven billion, seven hundred twenty-eight million, fourteen thousand, five hundred eighty-eight".