25041120401 has 4 divisors (see below), whose sum is σ = 27317585904. Its totient is φ = 22764654900.

The previous prime is 25041120373. The next prime is 25041120409. The reversal of 25041120401 is 10402114052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25041120401 - 2⁶ = 25041120337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25041120409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138232735 + ... + 1138232756.

It is an arithmetic number, because the mean of its divisors is an integer number (6829396476).

Almost surely, 2^25041120401 is an apocalyptic number.

It is an amenable number.

25041120401 is a deficient number, since it is larger than the sum of its proper divisors (2276465503).

25041120401 is a wasteful number, since it uses less digits than its factorization.

25041120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276465502.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 25041120401 its reverse (10402114052), we get a palindrome (35443234453).

The spelling of 25041120401 in words is "twenty-five billion, forty-one million, one hundred twenty thousand, four hundred one".