13131515433552 has 20 divisors (see below), whose sum is σ = 33923081536800. Its totient is φ = 4377171811168.

The previous prime is 13131515433479. The next prime is 13131515433557. The reversal of 13131515433552 is 25533451513131.

It is a super-2 number, since 2×13131515433552² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131515433557) 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 3 ways as a sum of consecutive naturals, for example, 136786619052 + ... + 136786619147.

It is an arithmetic number, because the mean of its divisors is an integer number (1696154076840).

Almost surely, 2^{13131515433552} is an apocalyptic number.

13131515433552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13131515433552 is an abundant number, since it is smaller than the sum of its proper divisors (20791566103248).

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

13131515433552 is a wasteful number, since it uses less digits than its factorization.

13131515433552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273573238210 (or 273573238204 counting only the distinct ones).

The product of its digits is 405000, while the sum is 42.

Adding to 13131515433552 its reverse (25533451513131), we get a palindrome (38664966946683).

The spelling of 13131515433552 in words is "thirteen trillion, one hundred thirty-one billion, five hundred fifteen million, four hundred thirty-three thousand, five hundred fifty-two".