25582752116 has 6 divisors (see below), whose sum is σ = 44769816210. Its totient is φ = 12791376056.

The previous prime is 25582752101. The next prime is 25582752157. The reversal of 25582752116 is 61125728552.

It can be written as a sum of positive squares in only one way, i.e., 25392422500 + 190329616 = 159350^2 + 13796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197844011 + ... + 3197844018.

It is an arithmetic number, because the mean of its divisors is an integer number (7461636035).

Almost surely, 2^25582752116 is an apocalyptic number.

It is an amenable number.

25582752116 is a deficient number, since it is larger than the sum of its proper divisors (19187064094).

25582752116 is a wasteful number, since it uses less digits than its factorization.

25582752116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395688033 (or 6395688031 counting only the distinct ones).

The product of its digits is 336000, while the sum is 44.

The spelling of 25582752116 in words is "twenty-five billion, five hundred eighty-two million, seven hundred fifty-two thousand, one hundred sixteen".