25521441482 has 4 divisors (see below), whose sum is σ = 38282162226. Its totient is φ = 12760720740.

The previous prime is 25521441481. The next prime is 25521441509. The reversal of 25521441482 is 28414412552.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21714674881 + 3806766601 = 147359^2 + 61699^2 .

It is not an unprimeable number, because it can be changed into a prime (25521441481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380360369 + ... + 6380360372.

Almost surely, 2^25521441482 is an apocalyptic number.

25521441482 is a deficient number, since it is larger than the sum of its proper divisors (12760720744).

25521441482 is a wasteful number, since it uses less digits than its factorization.

25521441482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760720743.

The product of its digits is 102400, while the sum is 38.

The spelling of 25521441482 in words is "twenty-five billion, five hundred twenty-one million, four hundred forty-one thousand, four hundred eighty-two".