25852686892452 has 108 divisors (see below), whose sum is σ = 78471443022336. Its totient is φ = 7148208342240.

The previous prime is 25852686892441. The next prime is 25852686892499. The reversal of 25852686892452 is 25429868625852.

25852686892452 is a `hidden beast` number, since 2 + 5 + 8 + 5 + 2 + 6 + 86 + 8 + 92 + 452 = 666.

It is a super-2 number, since 2×25852686892452² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 236327868 + ... + 236437235.

It is an arithmetic number, because the mean of its divisors is an integer number (726587435392).

Almost surely, 2^{25852686892452} is an apocalyptic number.

It is an amenable number.

25852686892452 is an abundant number, since it is smaller than the sum of its proper divisors (52618756129884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25852686892452 is a wasteful number, since it uses less digits than its factorization.

25852686892452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472765158 (or 472765146 counting only the distinct ones).

The product of its digits is 1327104000, while the sum is 72.

The spelling of 25852686892452 in words is "twenty-five trillion, eight hundred fifty-two billion, six hundred eighty-six million, eight hundred ninety-two thousand, four hundred fifty-two".