1315260560 has 160 divisors (see below), whose sum is σ = 3367403520. Its totient is φ = 475891200.

The previous prime is 1315260553. The next prime is 1315260563. The reversal of 1315260560 is 650625131.

It is not an unprimeable number, because it can be changed into a prime (1315260563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4853225 + ... + 4853495.

It is an arithmetic number, because the mean of its divisors is an integer number (21046272).

Almost surely, 2^1315260560 is an apocalyptic number.

1315260560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315260560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683701760).

1315260560 is an abundant number, since it is smaller than the sum of its proper divisors (2052142960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315260560 is a wasteful number, since it uses less digits than its factorization.

1315260560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1315260560 is about 36266.5212006887. The cubic root of 1315260560 is about 1095.6468617381.

Adding to 1315260560 its reverse (650625131), we get a palindrome (1965885691).

The spelling of 1315260560 in words is "one billion, three hundred fifteen million, two hundred sixty thousand, five hundred sixty".