15725659488 has 288 divisors, whose sum is σ = 53267380992. Its totient is φ = 3973432320.

The previous prime is 15725659487. The next prime is 15725659531. The reversal of 15725659488 is 88495652751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15725659483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3005931 + ... + 3011157.

It is an arithmetic number, because the mean of its divisors is an integer number (184956184).

Almost surely, 2^15725659488 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 15725659488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26633690496).

15725659488 is an abundant number, since it is smaller than the sum of its proper divisors (37541721504).

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

15725659488 is a wasteful number, since it uses less digits than its factorization.

15725659488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306 (or 5287 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 60.

The spelling of 15725659488 in words is "fifteen billion, seven hundred twenty-five million, six hundred fifty-nine thousand, four hundred eighty-eight".