25488788653 has 16 divisors (see below), whose sum is σ = 27542842560. Its totient is φ = 23499254016.

The previous prime is 25488788639. The next prime is 25488788671. The reversal of 25488788653 is 35688788452.

It is a cyclic number.

It is not a de Polignac number, because 25488788653 - 2²¹ = 25486691501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25488728653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238951 + ... + 328747.

It is an arithmetic number, because the mean of its divisors is an integer number (1721427660).

Almost surely, 2^25488788653 is an apocalyptic number.

It is an amenable number.

25488788653 is a deficient number, since it is larger than the sum of its proper divisors (2054053907).

25488788653 is a wasteful number, since it uses less digits than its factorization.

25488788653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90156.

The product of its digits is 103219200, while the sum is 64.

The spelling of 25488788653 in words is "twenty-five billion, four hundred eighty-eight million, seven hundred eighty-eight thousand, six hundred fifty-three".