2525780557804 has 72 divisors (see below), whose sum is σ = 5160140711712. Its totient is φ = 1078612254720.

The previous prime is 2525780557801. The next prime is 2525780557813. The reversal of 2525780557804 is 4087550875252.

It is not an unprimeable number, because it can be changed into a prime (2525780557801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179368044 + ... + 179382124.

It is an arithmetic number, because the mean of its divisors is an integer number (71668620996).

Almost surely, 2^{2525780557804} 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 2525780557804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580070355856).

2525780557804 is an abundant number, since it is smaller than the sum of its proper divisors (2634360153908).

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

2525780557804 is a wasteful number, since it uses less digits than its factorization.

2525780557804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17303 (or 17294 counting only the distinct ones).

The product of its (nonzero) digits is 31360000, while the sum is 58.

The spelling of 2525780557804 in words is "two trillion, five hundred twenty-five billion, seven hundred eighty million, five hundred fifty-seven thousand, eight hundred four".