2564625512603 has 64 divisors (see below), whose sum is σ = 3416755322880. Its totient is φ = 1864591747200.

The previous prime is 2564625512599. The next prime is 2564625512639. The reversal of 2564625512603 is 3062155264652.

It is not a de Polignac number, because 2564625512603 - 2² = 2564625512599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2564625512663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102094601 + ... + 102119717.

It is an arithmetic number, because the mean of its divisors is an integer number (53386801920).

Almost surely, 2^{2564625512603} is an apocalyptic number.

2564625512603 is a deficient number, since it is larger than the sum of its proper divisors (852129810277).

2564625512603 is a wasteful number, since it uses less digits than its factorization.

2564625512603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26208.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 2564625512603 in words is "two trillion, five hundred sixty-four billion, six hundred twenty-five million, five hundred twelve thousand, six hundred three".