1315187178368 has 32 divisors (see below), whose sum is σ = 2994399381360. Its totient is φ = 563651647488.

The previous prime is 1315187178353. The next prime is 1315187178397. The reversal of 1315187178368 is 8638717815131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733920521 + ... + 733922312.

Almost surely, 2^{1315187178368} is an apocalyptic number.

It is an amenable number.

1315187178368 is an abundant number, since it is smaller than the sum of its proper divisors (1679212202992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315187178368 is an equidigital number, since it uses as much as digits as its factorization.

1315187178368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467842854 (or 1467842842 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 59.

The spelling of 1315187178368 in words is "one trillion, three hundred fifteen billion, one hundred eighty-seven million, one hundred seventy-eight thousand, three hundred sixty-eight".