1388075017671 has 12 divisors (see below), whose sum is σ = 2005148637960. Its totient is φ = 925313472720.

The previous prime is 1388075017639. The next prime is 1388075017673. The reversal of 1388075017671 is 1767105708831.

It is not a de Polignac number, because 1388075017671 - 2⁵ = 1388075017639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388075017673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5696740 + ... + 5935401.

It is an arithmetic number, because the mean of its divisors is an integer number (167095719830).

Almost surely, 2^{1388075017671} is an apocalyptic number.

1388075017671 is a deficient number, since it is larger than the sum of its proper divisors (617073620289).

1388075017671 is a wasteful number, since it uses less digits than its factorization.

1388075017671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11645406 (or 11645403 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The spelling of 1388075017671 in words is "one trillion, three hundred eighty-eight billion, seventy-five million, seventeen thousand, six hundred seventy-one".