8537545456452 has 384 divisors, whose sum is σ = 24789965760000. Its totient is φ = 2529086644224.

The previous prime is 8537545456409. The next prime is 8537545456493. The reversal of 8537545456452 is 2546545457358.

8537545456452 is a `hidden beast` number, since 8 + 5 + 3 + 7 + 545 + 45 + 6 + 45 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 8537545456452.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1781250568 + ... + 1781255360.

It is an arithmetic number, because the mean of its divisors is an integer number (64557202500).

Almost surely, 2^{8537545456452} 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 8537545456452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12394982880000).

8537545456452 is an abundant number, since it is smaller than the sum of its proper divisors (16252420303548).

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

8537545456452 is a wasteful number, since it uses less digits than its factorization.

8537545456452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700 (or 5692 counting only the distinct ones).

The product of its digits is 403200000, while the sum is 63.

The spelling of 8537545456452 in words is "eight trillion, five hundred thirty-seven billion, five hundred forty-five million, four hundred fifty-six thousand, four hundred fifty-two".