15887495352 has 64 divisors (see below), whose sum is σ = 40923118080. Its totient is φ = 5137244672.

The previous prime is 15887495347. The next prime is 15887495353. The reversal of 15887495352 is 25359478851.

It is a junction number, because it is equal to n+sod(n) for n = 15887495292 and 15887495301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15887495353) 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, 65143 + ... + 189785.

It is an arithmetic number, because the mean of its divisors is an integer number (639423720).

Almost surely, 2^15887495352 is an apocalyptic number.

15887495352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15887495352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20461559040).

15887495352 is an abundant number, since it is smaller than the sum of its proper divisors (25035622728).

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

15887495352 is a wasteful number, since it uses less digits than its factorization.

15887495352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124812 (or 124808 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 57.

The spelling of 15887495352 in words is "fifteen billion, eight hundred eighty-seven million, four hundred ninety-five thousand, three hundred fifty-two".