2560601321025 has 48 divisors (see below), whose sum is σ = 4681659432000. Its totient is φ = 1224496742400.

The previous prime is 2560601320999. The next prime is 2560601321041. The reversal of 2560601321025 is 5201231060652.

It is not a de Polignac number, because 2560601321025 - 2⁵ = 2560601320993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21198400 + ... + 21318849.

It is an arithmetic number, because the mean of its divisors is an integer number (97534571500).

Almost surely, 2^{2560601321025} is an apocalyptic number.

2560601321025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2560601321025 is a deficient number, since it is larger than the sum of its proper divisors (2121058110975).

2560601321025 is a wasteful number, since it uses less digits than its factorization.

2560601321025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42517346 (or 42517341 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 2560601321025 its reverse (5201231060652), we get a palindrome (7761832381677).

The spelling of 2560601321025 in words is "two trillion, five hundred sixty billion, six hundred one million, three hundred twenty-one thousand, twenty-five".