25201011305 has 8 divisors (see below), whose sum is σ = 30251437632. Its totient is φ = 20153993008.

The previous prime is 25201011301. The next prime is 25201011331. The reversal of 25201011305 is 50311010252.

It is a happy number.

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 25201011305 - 2² = 25201011301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25201011301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 835709 + ... + 865338.

It is an arithmetic number, because the mean of its divisors is an integer number (3781429704).

Almost surely, 2^25201011305 is an apocalyptic number.

It is an amenable number.

25201011305 is a deficient number, since it is larger than the sum of its proper divisors (5050426327).

25201011305 is a wasteful number, since it uses less digits than its factorization.

25201011305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704015.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 25201011305 its reverse (50311010252), we get a palindrome (75512021557).

The spelling of 25201011305 in words is "twenty-five billion, two hundred one million, eleven thousand, three hundred five".