25120224001 has 16 divisors (see below), whose sum is σ = 26282672640. Its totient is φ = 23986946880.

The previous prime is 25120223987. The next prime is 25120224037. The reversal of 25120224001 is 10042202152.

It is a cyclic number.

It is not a de Polignac number, because 25120224001 - 2²⁹ = 24583353089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25120224001.

It is not an unprimeable number, because it can be changed into a prime (25120224401) 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, 462411 + ... + 513871.

It is an arithmetic number, because the mean of its divisors is an integer number (1642667040).

Almost surely, 2^25120224001 is an apocalyptic number.

It is an amenable number.

25120224001 is a deficient number, since it is larger than the sum of its proper divisors (1162448639).

25120224001 is a wasteful number, since it uses less digits than its factorization.

25120224001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51744.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 25120224001 its reverse (10042202152), we get a palindrome (35162426153).

The spelling of 25120224001 in words is "twenty-five billion, one hundred twenty million, two hundred twenty-four thousand, one".