25605001132235 has 48 divisors (see below), whose sum is σ = 36307604138400. Its totient is φ = 17281688707584.

The previous prime is 25605001132223. The next prime is 25605001132237. The reversal of 25605001132235 is 53223110050652.

It is not a de Polignac number, because 25605001132235 - 2¹² = 25605001128139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 25605001132195 and 25605001132204.

It is not an unprimeable number, because it can be changed into a prime (25605001132237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3129671 + ... + 7810559.

It is an arithmetic number, because the mean of its divisors is an integer number (756408419550).

Almost surely, 2^{25605001132235} is an apocalyptic number.

25605001132235 is a deficient number, since it is larger than the sum of its proper divisors (10702603006165).

25605001132235 is a wasteful number, since it uses less digits than its factorization.

25605001132235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681260 (or 4681253 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 25605001132235 its reverse (53223110050652), we get a palindrome (78828111182887).

The spelling of 25605001132235 in words is "twenty-five trillion, six hundred five billion, one million, one hundred thirty-two thousand, two hundred thirty-five".