13315244500 has 24 divisors (see below), whose sum is σ = 29080495080. Its totient is φ = 5326097600.

The previous prime is 13315244497. The next prime is 13315244513. The reversal of 13315244500 is 544251331.

It can be written as a sum of positive squares in 4 ways, for example, as 527253444 + 12787991056 = 22962^2 + 113084^2 .

It is a congruent 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, 13314745 + ... + 13315744.

It is an arithmetic number, because the mean of its divisors is an integer number (1211687295).

Almost surely, 2^13315244500 is an apocalyptic number.

13315244500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13315244500 is an abundant number, since it is smaller than the sum of its proper divisors (15765250580).

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

13315244500 is a wasteful number, since it uses less digits than its factorization.

13315244500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26630508 (or 26630496 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 13315244500 its reverse (544251331), we get a palindrome (13859495831).

The spelling of 13315244500 in words is "thirteen billion, three hundred fifteen million, two hundred forty-four thousand, five hundred".