1388708081199 has 8 divisors (see below), whose sum is σ = 2057345305520. Its totient is φ = 925805387448.

The previous prime is 1388708081147. The next prime is 1388708081207. The reversal of 1388708081199 is 9911808078831.

It is not a de Polignac number, because 1388708081199 - 2⁷ = 1388708081071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388708088199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25716816292 + ... + 25716816345.

It is an arithmetic number, because the mean of its divisors is an integer number (257168163190).

Almost surely, 2^{1388708081199} is an apocalyptic number.

1388708081199 is a deficient number, since it is larger than the sum of its proper divisors (668637224321).

1388708081199 is an equidigital number, since it uses as much as digits as its factorization.

1388708081199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51433632646 (or 51433632640 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 63.

The spelling of 1388708081199 in words is "one trillion, three hundred eighty-eight billion, seven hundred eight million, eighty-one thousand, one hundred ninety-nine".