25261235611 has 8 divisors (see below), whose sum is σ = 25746958080. Its totient is φ = 24775850112.

The previous prime is 25261235567. The next prime is 25261235627. The reversal of 25261235611 is 11653216252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25261235611 - 2¹³ = 25261227419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25261230611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69811 + ... + 235363.

It is an arithmetic number, because the mean of its divisors is an integer number (3218369760).

Almost surely, 2^25261235611 is an apocalyptic number.

25261235611 is a deficient number, since it is larger than the sum of its proper divisors (485722469).

25261235611 is a wasteful number, since it uses less digits than its factorization.

25261235611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168485.

The product of its digits is 21600, while the sum is 34.

The spelling of 25261235611 in words is "twenty-five billion, two hundred sixty-one million, two hundred thirty-five thousand, six hundred eleven".