25513613211232 has 48 divisors (see below), whose sum is σ = 50251174016400. Its totient is φ = 12751411548160.

The previous prime is 25513613211139. The next prime is 25513613211241. The reversal of 25513613211232 is 23211231631552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25513613211191 and 25513613211200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891477819 + ... + 891506437.

It is an arithmetic number, because the mean of its divisors is an integer number (1046899458675).

Almost surely, 2^{25513613211232} is an apocalyptic number.

It is an amenable number.

25513613211232 is a deficient number, since it is larger than the sum of its proper divisors (24737560805168).

25513613211232 is a wasteful number, since it uses less digits than its factorization.

25513613211232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39439 (or 39431 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

Adding to 25513613211232 its reverse (23211231631552), we get a palindrome (48724844842784).

The spelling of 25513613211232 in words is "twenty-five trillion, five hundred thirteen billion, six hundred thirteen million, two hundred eleven thousand, two hundred thirty-two".