25589862085 has 12 divisors (see below), whose sum is σ = 32516051724. Its totient is φ = 19266550400.

The previous prime is 25589862061. The next prime is 25589862107. The reversal of 25589862085 is 58026898552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14751802849 + 10838059236 = 121457^2 + 104106^2 .

It is not a de Polignac number, because 25589862085 - 2³¹ = 23442378437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1466160 + ... + 1483510.

It is an arithmetic number, because the mean of its divisors is an integer number (2709670977).

Almost surely, 2^25589862085 is an apocalyptic number.

It is an amenable number.

25589862085 is a deficient number, since it is larger than the sum of its proper divisors (6926189639).

25589862085 is an frugal number, since it uses more digits than its factorization.

25589862085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34724 (or 17373 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 25589862085 in words is "twenty-five billion, five hundred eighty-nine million, eight hundred sixty-two thousand, eighty-five".