1315375681388 has 12 divisors (see below), whose sum is σ = 2301915740880. Its totient is φ = 657685469712.

The previous prime is 1315375681387. The next prime is 1315375681397. The reversal of 1315375681388 is 8831865735131.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1315375681387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399553 + ... + 2142311.

It is an arithmetic number, because the mean of its divisors is an integer number (191826311740).

Almost surely, 2^{1315375681388} is an apocalyptic number.

It is an amenable number.

1315375681388 is a deficient number, since it is larger than the sum of its proper divisors (986540059492).

1315375681388 is a wasteful number, since it uses less digits than its factorization.

1315375681388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185496 (or 1185494 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 59.

The spelling of 1315375681388 in words is "one trillion, three hundred fifteen billion, three hundred seventy-five million, six hundred eighty-one thousand, three hundred eighty-eight".