25557579889282 has 32 divisors (see below), whose sum is σ = 43860039645312. Its totient is φ = 10941488273664.

The previous prime is 25557579889271. The next prime is 25557579889313. The reversal of 25557579889282 is 28298897575552.

It is a junction number, because it is equal to n+sod(n) for n = 25557579889196 and 25557579889205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392840668 + ... + 392905720.

It is an arithmetic number, because the mean of its divisors is an integer number (1370626238916).

Almost surely, 2^{25557579889282} is an apocalyptic number.

25557579889282 is a deficient number, since it is larger than the sum of its proper divisors (18302459756030).

25557579889282 is a wasteful number, since it uses less digits than its factorization.

25557579889282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94762.

The product of its digits is 10160640000, while the sum is 82.

The spelling of 25557579889282 in words is "twenty-five trillion, five hundred fifty-seven billion, five hundred seventy-nine million, eight hundred eighty-nine thousand, two hundred eighty-two".