12715657552 has 80 divisors (see below), whose sum is σ = 28184602320. Its totient is φ = 5505417216.

The previous prime is 12715657543. The next prime is 12715657561. The reversal of 12715657552 is 25575651721.

12715657552 is nontrivially palindromic in base 5.

12715657552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12715657543) and next prime (12715657561).

It can be written as a sum of positive squares in 8 ways, for example, as 3433491216 + 9282166336 = 58596^2 + 96344^2 .

12715657552 is an undulating number in base 5.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101024 + ... + 1112512.

It is an arithmetic number, because the mean of its divisors is an integer number (352307529).

Almost surely, 2^12715657552 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 12715657552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14092301160).

12715657552 is an abundant number, since it is smaller than the sum of its proper divisors (15468944768).

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

12715657552 is a wasteful number, since it uses less digits than its factorization.

12715657552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11840 (or 11834 counting only the distinct ones).

The product of its digits is 735000, while the sum is 46.

The spelling of 12715657552 in words is "twelve billion, seven hundred fifteen million, six hundred fifty-seven thousand, five hundred fifty-two".