25054645052 has 12 divisors (see below), whose sum is σ = 44865294936. Its totient is φ = 12235989360.

The previous prime is 25054645001. The next prime is 25054645069.

It is a happy number.

25054645052 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 25054644997 and 25054645015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72833099 + ... + 72833442.

It is an arithmetic number, because the mean of its divisors is an integer number (3738774578).

Almost surely, 2^25054645052 is an apocalyptic number.

It is an amenable number.

25054645052 is a deficient number, since it is larger than the sum of its proper divisors (19810649884).

25054645052 is a wasteful number, since it uses less digits than its factorization.

25054645052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145666588 (or 145666586 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 25054645052 in words is "twenty-five billion, fifty-four million, six hundred forty-five thousand, fifty-two".