2581596320752 has 20 divisors (see below), whose sum is σ = 5008723008016. Its totient is φ = 1289022641280.

The previous prime is 2581596320741. The next prime is 2581596320827. The reversal of 2581596320752 is 2570236951852.

It is a junction number, because it is equal to n+sod(n) for n = 2581596320693 and 2581596320702.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110957949 + ... + 110981212.

Almost surely, 2^{2581596320752} is an apocalyptic number.

It is an amenable number.

2581596320752 is a deficient number, since it is larger than the sum of its proper divisors (2427126687264).

2581596320752 is a wasteful number, since it uses less digits than its factorization.

2581596320752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221939896 (or 221939890 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 2581596320752 in words is "two trillion, five hundred eighty-one billion, five hundred ninety-six million, three hundred twenty thousand, seven hundred fifty-two".