2581471004352 has 112 divisors (see below), whose sum is σ = 6873263603712. Its totient is φ = 855074099200.

The previous prime is 2581471004351. The next prime is 2581471004377. The reversal of 2581471004352 is 2534001741852.

It is not an unprimeable number, because it can be changed into a prime (2581471004351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20185153 + ... + 20312639.

Almost surely, 2^{2581471004352} 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 2581471004352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3436631801856).

2581471004352 is an abundant number, since it is smaller than the sum of its proper divisors (4291792599360).

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

2581471004352 is a wasteful number, since it uses less digits than its factorization.

2581471004352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128166 (or 128156 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 2581471004352 in words is "two trillion, five hundred eighty-one billion, four hundred seventy-one million, four thousand, three hundred fifty-two".