25534121204 has 24 divisors (see below), whose sum is σ = 48183777600. Its totient is φ = 11800105920.

The previous prime is 25534121201. The next prime is 25534121219. The reversal of 25534121204 is 40212143552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25534121201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4094144 + ... + 4100375.

It is an arithmetic number, because the mean of its divisors is an integer number (2007657400).

Almost surely, 2^25534121204 is an apocalyptic number.

It is an amenable number.

25534121204 is a deficient number, since it is larger than the sum of its proper divisors (22649656396).

25534121204 is a wasteful number, since it uses less digits than its factorization.

25534121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8194583 (or 8194581 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 25534121204 its reverse (40212143552), we get a palindrome (65746264756).

The spelling of 25534121204 in words is "twenty-five billion, five hundred thirty-four million, one hundred twenty-one thousand, two hundred four".