13531201250 has 40 divisors (see below), whose sum is σ = 28986171456. Its totient is φ = 4639266000.

The previous prime is 13531201247. The next prime is 13531201261. The reversal of 13531201250 is 5210213531.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 764462 + ... + 781961.

Almost surely, 2^13531201250 is an apocalyptic number.

13531201250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531201250 is an abundant number, since it is smaller than the sum of its proper divisors (15454970206).

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

13531201250 is an equidigital number, since it uses as much as digits as its factorization.

13531201250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546452 (or 1546437 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 13531201250 its reverse (5210213531), we get a palindrome (18741414781).

The spelling of 13531201250 in words is "thirteen billion, five hundred thirty-one million, two hundred one thousand, two hundred fifty".