1315541504 has 40 divisors (see below), whose sum is σ = 2637232620. Its totient is φ = 655589376.

The previous prime is 1315541489. The next prime is 1315541519. The reversal of 1315541504 is 4051455131.

It is an interprime number because it is at equal distance from previous prime (1315541489) and next prime (1315541519).

It can be written as a sum of positive squares in 2 ways, for example, as 880902400 + 434639104 = 29680^2 + 20848^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156152 + ... + 164360.

Almost surely, 2^1315541504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315541504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318616310).

1315541504 is an abundant number, since it is smaller than the sum of its proper divisors (1321691116).

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

1315541504 is an frugal number, since it uses more digits than its factorization.

1315541504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540 (or 8524 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1315541504 is about 36270.3943182315. The cubic root of 1315541504 is about 1095.7248674471.

Adding to 1315541504 its reverse (4051455131), we get a palindrome (5366996635).

The spelling of 1315541504 in words is "one billion, three hundred fifteen million, five hundred forty-one thousand, five hundred four".