25276545573663 has 48 divisors (see below), whose sum is σ = 35687813811936. Its totient is φ = 15910959133440.

The previous prime is 25276545573637. The next prime is 25276545573743. The reversal of 25276545573663 is 36637554567252.

It is not a de Polignac number, because 25276545573663 - 2⁸ = 25276545573407 is a prime.

It is a super-2 number, since 2×25276545573663² (a number of 28 digits) contains 22 as substring.

It is the 5027579-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 25276545573594 and 25276545573603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25276540573663) by changing a digit.

It is a nontrivial repunit in base 5027578.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 645102933 + ... + 645142113.

It is an arithmetic number, because the mean of its divisors is an integer number (743496121082).

Almost surely, 2^{25276545573663} is an apocalyptic number.

25276545573663 is a deficient number, since it is larger than the sum of its proper divisors (10411268238273).

25276545573663 is a wasteful number, since it uses less digits than its factorization.

25276545573663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41192 (or 41173 counting only the distinct ones).

The product of its digits is 952560000, while the sum is 66.

The spelling of 25276545573663 in words is "twenty-five trillion, two hundred seventy-six billion, five hundred forty-five million, five hundred seventy-three thousand, six hundred sixty-three".