13531140015 has 32 divisors (see below), whose sum is σ = 22513766400. Its totient is φ = 6931236480.

The previous prime is 13531140013. The next prime is 13531140017. The reversal of 13531140015 is 51004113531.

It is an interprime number because it is at equal distance from previous prime (13531140013) and next prime (13531140017).

It is not a de Polignac number, because 13531140015 - 2¹ = 13531140013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531140013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1656 + ... + 164514.

It is an arithmetic number, because the mean of its divisors is an integer number (703555200).

Almost surely, 2^13531140015 is an apocalyptic number.

13531140015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13531140015 is a deficient number, since it is larger than the sum of its proper divisors (8982626385).

13531140015 is a wasteful number, since it uses less digits than its factorization.

13531140015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163087.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 13531140015 its reverse (51004113531), we get a palindrome (64535253546).

The spelling of 13531140015 in words is "thirteen billion, five hundred thirty-one million, one hundred forty thousand, fifteen".