13112331500540 has 24 divisors (see below), whose sum is σ = 27539241885792. Its totient is φ = 5244295317440.

The previous prime is 13112331500537. The next prime is 13112331500549. The reversal of 13112331500540 is 4500513321131.

It is a super-3 number, since 3×13112331500540³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112331500549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39661439 + ... + 39990678.

It is an arithmetic number, because the mean of its divisors is an integer number (1147468411908).

Almost surely, 2^{13112331500540} is an apocalyptic number.

13112331500540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112331500540 is an abundant number, since it is smaller than the sum of its proper divisors (14426910385252).

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

13112331500540 is a wasteful number, since it uses less digits than its factorization.

13112331500540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79660357 (or 79660355 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 13112331500540 its reverse (4500513321131), we get a palindrome (17612844821671).

The spelling of 13112331500540 in words is "thirteen trillion, one hundred twelve billion, three hundred thirty-one million, five hundred thousand, five hundred forty".