25201211203 has 16 divisors (see below), whose sum is σ = 30889278720. Its totient is φ = 20078019936.

The previous prime is 25201211177. The next prime is 25201211209. The reversal of 25201211203 is 30211210252.

It is a cyclic number.

It is not a de Polignac number, because 25201211203 - 2⁵ = 25201211171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25201211209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780525 + ... + 1794622.

It is an arithmetic number, because the mean of its divisors is an integer number (1930579920).

Almost surely, 2^25201211203 is an apocalyptic number.

25201211203 is a deficient number, since it is larger than the sum of its proper divisors (5688067517).

25201211203 is a wasteful number, since it uses less digits than its factorization.

25201211203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575226.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 25201211203 its reverse (30211210252), we get a palindrome (55412421455).

The spelling of 25201211203 in words is "twenty-five billion, two hundred one million, two hundred eleven thousand, two hundred three".