325787515560 has 256 divisors, whose sum is σ = 1172519712000. Its totient is φ = 79986355200.

The previous prime is 325787515541. The next prime is 325787515561. The reversal of 325787515560 is 65515787523.

325787515560 is a `hidden beast` number, since 3 + 2 + 5 + 7 + 8 + 75 + 1 + 5 + 560 = 666.

It is a super-2 number, since 2×325787515560² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 325787515497 and 325787515506.

It is not an unprimeable number, because it can be changed into a prime (325787515561) 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, 5431735 + ... + 5491385.

It is an arithmetic number, because the mean of its divisors is an integer number (4580155125).

Almost surely, 2^325787515560 is an apocalyptic number.

325787515560 is a gapful number since it is divisible by the number (30) 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 325787515560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586259856000).

325787515560 is an abundant number, since it is smaller than the sum of its proper divisors (846732196440).

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

325787515560 is a wasteful number, since it uses less digits than its factorization.

325787515560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60073 (or 60063 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 54.

The spelling of 325787515560 in words is "three hundred twenty-five billion, seven hundred eighty-seven million, five hundred fifteen thousand, five hundred sixty".