1315579244249 has 16 divisors (see below), whose sum is σ = 1338804480000. Its totient is φ = 1292607154944.

The previous prime is 1315579244233. The next prime is 1315579244251. The reversal of 1315579244249 is 9424429755131.

It is a cyclic number.

It is not a de Polignac number, because 1315579244249 - 2⁴ = 1315579244233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315579244194 and 1315579244203.

It is not an unprimeable number, because it can be changed into a prime (1315579244219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273902 + ... + 6480200.

It is an arithmetic number, because the mean of its divisors is an integer number (83675280000).

Almost surely, 2^{1315579244249} is an apocalyptic number.

It is an amenable number.

1315579244249 is a deficient number, since it is larger than the sum of its proper divisors (23225235751).

1315579244249 is a wasteful number, since it uses less digits than its factorization.

1315579244249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206912.

The product of its digits is 10886400, while the sum is 56.

The spelling of 1315579244249 in words is "one trillion, three hundred fifteen billion, five hundred seventy-nine million, two hundred forty-four thousand, two hundred forty-nine".