1388791394152 has 16 divisors (see below), whose sum is σ = 2687983344000. Its totient is φ = 671995835760.

The previous prime is 1388791394131. The next prime is 1388791394161. The reversal of 1388791394152 is 2514931978831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2799982402 + ... + 2799982897.

It is an arithmetic number, because the mean of its divisors is an integer number (167998959000).

Almost surely, 2^{1388791394152} is an apocalyptic number.

It is an amenable number.

1388791394152 is a deficient number, since it is larger than the sum of its proper divisors (1299191949848).

1388791394152 is a wasteful number, since it uses less digits than its factorization.

1388791394152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599965336 (or 5599965332 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The spelling of 1388791394152 in words is "one trillion, three hundred eighty-eight billion, seven hundred ninety-one million, three hundred ninety-four thousand, one hundred fifty-two".