13531015248 has 40 divisors (see below), whose sum is σ = 35301225696. Its totient is φ = 4465680000.

The previous prime is 13531015247. The next prime is 13531015249. The reversal of 13531015248 is 84251013531.

It is an interprime number because it is at equal distance from previous prime (13531015247) and next prime (13531015249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531015247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390678 + ... + 1400373.

Almost surely, 2^13531015248 is an apocalyptic number.

It is an amenable number.

13531015248 is an abundant number, since it is smaller than the sum of its proper divisors (21770210448).

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

13531015248 is a wasteful number, since it uses less digits than its factorization.

13531015248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791163 (or 2791157 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 13531015248 its reverse (84251013531), we get a palindrome (97782028779).

The spelling of 13531015248 in words is "thirteen billion, five hundred thirty-one million, fifteen thousand, two hundred forty-eight".