13154322502552 has 256 divisors, whose sum is σ = 31300610457600. Its totient is φ = 5076269827200.

The previous prime is 13154322502499. The next prime is 13154322502553. The reversal of 13154322502552 is 25520522345131.

It is a super-2 number, since 2×13154322502552² (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 (13154322502553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7215754713 + ... + 7215756535.

It is an arithmetic number, because the mean of its divisors is an integer number (122268009600).

Almost surely, 2^{13154322502552} 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 13154322502552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15650305228800).

13154322502552 is an abundant number, since it is smaller than the sum of its proper divisors (18146287955048).

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

13154322502552 is a wasteful number, since it uses less digits than its factorization.

13154322502552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 13154322502552 its reverse (25520522345131), we get a palindrome (38674844847683).

The spelling of 13154322502552 in words is "thirteen trillion, one hundred fifty-four billion, three hundred twenty-two million, five hundred two thousand, five hundred fifty-two".