1316403125515 has 4 divisors (see below), whose sum is σ = 1579683750624. Its totient is φ = 1053122500408.

The previous prime is 1316403125509. The next prime is 1316403125573. The reversal of 1316403125515 is 5155213046131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1316403125515 - 2²⁹ = 1315866254603 is a prime.

It is a Duffinian number.

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, 131640312547 + ... + 131640312556.

It is an arithmetic number, because the mean of its divisors is an integer number (394920937656).

Almost surely, 2^{1316403125515} is an apocalyptic number.

1316403125515 is a deficient number, since it is larger than the sum of its proper divisors (263280625109).

1316403125515 is an equidigital number, since it uses as much as digits as its factorization.

1316403125515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263280625108.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 1316403125515 in words is "one trillion, three hundred sixteen billion, four hundred three million, one hundred twenty-five thousand, five hundred fifteen".