1313181892625 has 16 divisors (see below), whose sum is σ = 1643175206400. Its totient is φ = 1047773588400.

The previous prime is 1313181892511. The next prime is 1313181892753. The reversal of 1313181892625 is 5262981813131.

It is not a de Polignac number, because 1313181892625 - 2⁸ = 1313181892369 is a prime.

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, 13812065 + ... + 13906814.

It is an arithmetic number, because the mean of its divisors is an integer number (102698450400).

Almost surely, 2^{1313181892625} is an apocalyptic number.

It is an amenable number.

1313181892625 is a deficient number, since it is larger than the sum of its proper divisors (329993313775).

1313181892625 is an equidigital number, since it uses as much as digits as its factorization.

1313181892625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27719273 (or 27719263 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The spelling of 1313181892625 in words is "one trillion, three hundred thirteen billion, one hundred eighty-one million, eight hundred ninety-two thousand, six hundred twenty-five".