15897458500560 has 1920 divisors, whose sum is σ = 72689787555840. Its totient is φ = 3133348282368.

The previous prime is 15897458500559. The next prime is 15897458500571. The reversal of 15897458500560 is 6500585479851.

15897458500560 is a `hidden beast` number, since 1 + 5 + 8 + 9 + 74 + 5 + 8 + 500 + 56 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4180239619 + ... + 4180243421.

It is an arithmetic number, because the mean of its divisors is an integer number (37859264352).

Almost surely, 2^{15897458500560} is an apocalyptic number.

15897458500560 is a gapful number since it is divisible by the number (10) 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 15897458500560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36344893777920).

15897458500560 is an abundant number, since it is smaller than the sum of its proper divisors (56792329055280).

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

15897458500560 is a wasteful number, since it uses less digits than its factorization.

15897458500560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 60480000, while the sum is 63.

The spelling of 15897458500560 in words is "fifteen trillion, eight hundred ninety-seven billion, four hundred fifty-eight million, five hundred thousand, five hundred sixty".