1361316447515 has 4 divisors (see below), whose sum is σ = 1633579737024. Its totient is φ = 1089053158008.

The previous prime is 1361316447509. The next prime is 1361316447527. The reversal of 1361316447515 is 5157446131631.

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 1361316447515 - 2¹⁶ = 1361316381979 is a prime.

It is a super-3 number, since 3×1361316447515³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361316447515.

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, 136131644747 + ... + 136131644756.

It is an arithmetic number, because the mean of its divisors is an integer number (408394934256).

Almost surely, 2^{1361316447515} is an apocalyptic number.

1361316447515 is a deficient number, since it is larger than the sum of its proper divisors (272263289509).

1361316447515 is an equidigital number, since it uses as much as digits as its factorization.

1361316447515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272263289508.

The product of its digits is 907200, while the sum is 47.

The spelling of 1361316447515 in words is "one trillion, three hundred sixty-one billion, three hundred sixteen million, four hundred forty-seven thousand, five hundred fifteen".