13501233250 has 96 divisors (see below), whose sum is σ = 26286165360. Its totient is φ = 5190099200.

The previous prime is 13501233241. The next prime is 13501233257. The reversal of 13501233250 is 5233210531.

It can be written as a sum of positive squares in 8 ways, for example, as 221206129 + 13280027121 = 14873^2 + 115239^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13501233257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126179697 + ... + 126179803.

Almost surely, 2^13501233250 is an apocalyptic number.

13501233250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13501233250 is a deficient number, since it is larger than the sum of its proper divisors (12784932110).

13501233250 is an equidigital number, since it uses as much as digits as its factorization.

13501233250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13501233250 its reverse (5233210531), we get a palindrome (18734443781).

The spelling of 13501233250 in words is "thirteen billion, five hundred one million, two hundred thirty-three thousand, two hundred fifty".