325851455556 has 315 divisors, whose sum is σ = 971084544815. Its totient is φ = 95557611600.

The previous prime is 325851455549. The next prime is 325851455659. The reversal of 325851455556 is 655554158523.

It is a happy number.

The square root of 325851455556 is 570834.

It is a perfect power (a square), and thus also a powerful number.

325851455556 is a `hidden beast` number, since 3 + 2 + 5 + 85 + 1 + 4 + 5 + 5 + 556 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 10511337261 + ... + 10511337291.

Almost surely, 2^325851455556 is an apocalyptic number.

325851455556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

325851455556 is the 570834-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325851455556

325851455556 is an abundant number, since it is smaller than the sum of its proper divisors (645233089259).

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

325851455556 is an frugal number, since it uses more digits than its factorization.

325851455556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 47 counting only the distinct ones).

The product of its digits is 18000000, while the sum is 54.

It can be divided in two parts, 32585145 and 5556, that added together give a triangular number (32590701 = T₈₀₇₃).

The spelling of 325851455556 in words is "three hundred twenty-five billion, eight hundred fifty-one million, four hundred fifty-five thousand, five hundred fifty-six".