25000250275505 has 8 divisors (see below), whose sum is σ = 30008472594624. Its totient is φ = 19994752044400.

The previous prime is 25000250275499. The next prime is 25000250275537. The reversal of 25000250275505 is 50557205200052.

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

It is not a de Polignac number, because 25000250275505 - 2¹⁰ = 25000250274481 is a prime.

It is a Duffinian 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, 681001811 + ... + 681038520.

It is an arithmetic number, because the mean of its divisors is an integer number (3751059074328).

Almost surely, 2^{25000250275505} is an apocalyptic number.

It is an amenable number.

25000250275505 is a deficient number, since it is larger than the sum of its proper divisors (5008222319119).

25000250275505 is a wasteful number, since it uses less digits than its factorization.

25000250275505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362044007.

The product of its (nonzero) digits is 175000, while the sum is 38.

Adding to 25000250275505 its reverse (50557205200052), we get a palindrome (75557455475557).

The spelling of 25000250275505 in words is "twenty-five trillion, two hundred fifty million, two hundred seventy-five thousand, five hundred five".