25041123461 has 4 divisors (see below), whose sum is σ = 25045555692. Its totient is φ = 25036691232.

The previous prime is 25041123421. The next prime is 25041123509. The reversal of 25041123461 is 16432114052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7940592100 + 17100531361 = 89110^2 + 130769^2 .

It is a cyclic number.

It is not a de Polignac number, because 25041123461 - 2¹⁰ = 25041122437 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 (25041123421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207630 + ... + 2218943.

It is an arithmetic number, because the mean of its divisors is an integer number (6261388923).

Almost surely, 2^25041123461 is an apocalyptic number.

It is an amenable number.

25041123461 is a deficient number, since it is larger than the sum of its proper divisors (4432231).

25041123461 is an equidigital number, since it uses as much as digits as its factorization.

25041123461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432230.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 25041123461 in words is "twenty-five billion, forty-one million, one hundred twenty-three thousand, four hundred sixty-one".