13351531051552 has 96 divisors (see below), whose sum is σ = 28018273852800. Its totient is φ = 6244939358208.

The previous prime is 13351531051493. The next prime is 13351531051559. The reversal of 13351531051552 is 25515013515331.

It is not an unprimeable number, because it can be changed into a prime (13351531051559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25632618 + ... + 26148310.

It is an arithmetic number, because the mean of its divisors is an integer number (291857019300).

Almost surely, 2^{13351531051552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13351531051552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14009136926400).

13351531051552 is an abundant number, since it is smaller than the sum of its proper divisors (14666742801248).

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

13351531051552 is a wasteful number, since it uses less digits than its factorization.

13351531051552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516258 (or 516250 counting only the distinct ones).

The product of its (nonzero) digits is 168750, while the sum is 40.

Adding to 13351531051552 its reverse (25515013515331), we get a palindrome (38866544566883).

The spelling of 13351531051552 in words is "thirteen trillion, three hundred fifty-one billion, five hundred thirty-one million, fifty-one thousand, five hundred fifty-two".