13288281250 has 72 divisors (see below), whose sum is σ = 25365221388. Its totient is φ = 5220000000.

The previous prime is 13288281247. The next prime is 13288281263. The reversal of 13288281250 is 5218288231.

It can be written as a sum of positive squares in 18 ways, for example, as 7869996369 + 5418284881 = 88713^2 + 73609^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57031134 + ... + 57031366.

Almost surely, 2^13288281250 is an apocalyptic number.

13288281250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13288281250 is a deficient number, since it is larger than the sum of its proper divisors (12076940138).

13288281250 is an frugal number, since it uses more digits than its factorization.

13288281250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 13288281250 in words is "thirteen billion, two hundred eighty-eight million, two hundred eighty-one thousand, two hundred fifty".