25218775067063 has 32 divisors (see below), whose sum is σ = 26575632145920. Its totient is φ = 23896237680000.

The previous prime is 25218775067021. The next prime is 25218775067159. The reversal of 25218775067063 is 36076057781252.

It is a cyclic number.

It is not a de Polignac number, because 25218775067063 - 2¹⁰ = 25218775066039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25218775066993 and 25218775067011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25218775027063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2576757656 + ... + 2576767442.

It is an arithmetic number, because the mean of its divisors is an integer number (830488504560).

Almost surely, 2^{25218775067063} is an apocalyptic number.

25218775067063 is a deficient number, since it is larger than the sum of its proper divisors (1356857078857).

25218775067063 is a wasteful number, since it uses less digits than its factorization.

25218775067063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12999.

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 25218775067063 in words is "twenty-five trillion, two hundred eighteen billion, seven hundred seventy-five million, sixty-seven thousand, sixty-three".