13112031055020 has 48 divisors (see below), whose sum is σ = 38309934216960. Its totient is φ = 3344518065856.

The previous prime is 13112031054977. The next prime is 13112031055093. The reversal of 13112031055020 is 2055013021131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4750734510 + ... + 4750737269.

It is an arithmetic number, because the mean of its divisors is an integer number (798123629520).

Almost surely, 2^{13112031055020} is an apocalyptic number.

13112031055020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112031055020 is an abundant number, since it is smaller than the sum of its proper divisors (25197903161940).

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

13112031055020 is a wasteful number, since it uses less digits than its factorization.

13112031055020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9501471814 (or 9501471812 counting only the distinct ones).

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

Adding to 13112031055020 its reverse (2055013021131), we get a palindrome (15167044076151).

The spelling of 13112031055020 in words is "thirteen trillion, one hundred twelve billion, thirty-one million, fifty-five thousand, twenty".