1388045688005 has 16 divisors (see below), whose sum is σ = 1725777446400. Its totient is φ = 1070621129280.

The previous prime is 1388045687953. The next prime is 1388045688019. The reversal of 1388045688005 is 5008865408831.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1388045688005 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16603535 + ... + 16686924.

It is an arithmetic number, because the mean of its divisors is an integer number (107861090400).

Almost surely, 2^{1388045688005} is an apocalyptic number.

It is an amenable number.

1388045688005 is a deficient number, since it is larger than the sum of its proper divisors (337731758395).

1388045688005 is a wasteful number, since it uses less digits than its factorization.

1388045688005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33290764.

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 1388045688005 in words is "one trillion, three hundred eighty-eight billion, forty-five million, six hundred eighty-eight thousand, five".