25152659909 has 8 divisors (see below), whose sum is σ = 27215859552. Its totient is φ = 23107800240.

The previous prime is 25152659899. The next prime is 25152659963. The reversal of 25152659909 is 90995625152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25152659909 - 2³² = 20857692613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152059909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4582139 + ... + 4587624.

It is an arithmetic number, because the mean of its divisors is an integer number (3401982444).

Almost surely, 2^25152659909 is an apocalyptic number.

It is an amenable number.

25152659909 is a deficient number, since it is larger than the sum of its proper divisors (2063199643).

25152659909 is a wasteful number, since it uses less digits than its factorization.

25152659909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169987.

The product of its (nonzero) digits is 2187000, while the sum is 53.

The spelling of 25152659909 in words is "twenty-five billion, one hundred fifty-two million, six hundred fifty-nine thousand, nine hundred nine".