25554487141 has 8 divisors (see below), whose sum is σ = 25908082200. Its totient is φ = 25202369280.

The previous prime is 25554487099. The next prime is 25554487187. The reversal of 25554487141 is 14178445552.

It can be written as a sum of positive squares in 4 ways, for example, as 138156516 + 25416330625 = 11754^2 + 159425^2 .

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 25554487141 - 2¹⁹ = 25553962853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25554487091 and 25554487100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25554487241) 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, 334440 + ... + 403681.

It is an arithmetic number, because the mean of its divisors is an integer number (3238510275).

Almost surely, 2^25554487141 is an apocalyptic number.

It is an amenable number.

25554487141 is a deficient number, since it is larger than the sum of its proper divisors (353595059).

25554487141 is an equidigital number, since it uses as much as digits as its factorization.

25554487141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738599.

The product of its digits is 896000, while the sum is 46.

The spelling of 25554487141 in words is "twenty-five billion, five hundred fifty-four million, four hundred eighty-seven thousand, one hundred forty-one".