1388757328018 has 16 divisors (see below), whose sum is σ = 2087037872640. Its totient is φ = 693078276816.

The previous prime is 1388757328001. The next prime is 1388757328019. The reversal of 1388757328018 is 8108237578831.

It is a super-2 number, since 2×1388757328018² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1388757328019) 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, 12824143 + ... + 12931981.

It is an arithmetic number, because the mean of its divisors is an integer number (130439867040).

Almost surely, 2^{1388757328018} is an apocalyptic number.

1388757328018 is a deficient number, since it is larger than the sum of its proper divisors (698280544622).

1388757328018 is a wasteful number, since it uses less digits than its factorization.

1388757328018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119841.

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 1388757328018 in words is "one trillion, three hundred eighty-eight billion, seven hundred fifty-seven million, three hundred twenty-eight thousand, eighteen".