25005520043232 has 24 divisors (see below), whose sum is σ = 65639490113736. Its totient is φ = 8335173347712.

The previous prime is 25005520043227. The next prime is 25005520043233. The reversal of 25005520043232 is 23234002550052.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 25005520043193 and 25005520043202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25005520043233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130237083463 + ... + 130237083654.

It is an arithmetic number, because the mean of its divisors is an integer number (2734978754739).

Almost surely, 2^{25005520043232} is an apocalyptic number.

It is an amenable number.

25005520043232 is an abundant number, since it is smaller than the sum of its proper divisors (40633970070504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25005520043232 is a wasteful number, since it uses less digits than its factorization.

25005520043232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260474167130 (or 260474167122 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 33.

Adding to 25005520043232 its reverse (23234002550052), we get a palindrome (48239522593284).

The spelling of 25005520043232 in words is "twenty-five trillion, five billion, five hundred twenty million, forty-three thousand, two hundred thirty-two".