25042106561461 has 8 divisors (see below), whose sum is σ = 27333341286048. Its totient is φ = 22753318434000.

The previous prime is 25042106561401. The next prime is 25042106561491. The reversal of 25042106561461 is 16416560124052.

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

It is not a de Polignac number, because 25042106561461 - 2¹¹ = 25042106559413 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 (25042106561401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611627875 + ... + 611668816.

It is an arithmetic number, because the mean of its divisors is an integer number (3416667660756).

Almost surely, 2^{25042106561461} is an apocalyptic number.

It is an amenable number.

25042106561461 is a deficient number, since it is larger than the sum of its proper divisors (2291234724587).

25042106561461 is a wasteful number, since it uses less digits than its factorization.

25042106561461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223298563.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 25042106561461 in words is "twenty-five trillion, forty-two billion, one hundred six million, five hundred sixty-one thousand, four hundred sixty-one".