25053040661 has 12 divisors (see below), whose sum is σ = 27440669472. Its totient is φ = 22684125000.

The previous prime is 25053040643. The next prime is 25053040667. The reversal of 25053040661 is 16604035052.

It is not a de Polignac number, because 25053040661 - 2¹⁴ = 25053024277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053040667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674936 + ... + 711086.

It is an arithmetic number, because the mean of its divisors is an integer number (2286722456).

Almost surely, 2^25053040661 is an apocalyptic number.

It is an amenable number.

25053040661 is a deficient number, since it is larger than the sum of its proper divisors (2387628811).

25053040661 is an equidigital number, since it uses as much as digits as its factorization.

25053040661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36664 (or 36413 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 25053040661 in words is "twenty-five billion, fifty-three million, forty thousand, six hundred sixty-one".