1315243025105 has 8 divisors (see below), whose sum is σ = 1578297785472. Its totient is φ = 1052190316528.

The previous prime is 1315243025053. The next prime is 1315243025111. The reversal of 1315243025105 is 5015203425131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315243025105 is a prime.

It is a super-2 number, since 2×1315243025105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264264 + ... + 2785206.

It is an arithmetic number, because the mean of its divisors is an integer number (197287223184).

Almost surely, 2^{1315243025105} is an apocalyptic number.

It is an amenable number.

1315243025105 is a deficient number, since it is larger than the sum of its proper divisors (263054760367).

1315243025105 is an equidigital number, since it uses as much as digits as its factorization.

1315243025105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025895.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1315243025105 in words is "one trillion, three hundred fifteen billion, two hundred forty-three million, twenty-five thousand, one hundred five".