11852768556225 has 27 divisors (see below), whose sum is σ = 21229717955043. Its totient is φ = 6321449021040.

The previous prime is 11852768556203. The next prime is 11852768556257. The reversal of 11852768556225 is 52265586725811.

The square root of 11852768556225 is 3442785.

It is a perfect power (a square), and thus also a powerful number.

11852768556225 is a `hidden beast` number, since 1 + 1 + 8 + 5 + 2 + 7 + 68 + 5 + 562 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4266996680241 + 7585771875984 = 2065671^2 + 2754228^2 .

It is not a de Polignac number, because 11852768556225 - 2²⁷ = 11852634338497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51527016 + ... + 51756534.

Almost surely, 2^{11852768556225} is an apocalyptic number.

11852768556225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11852768556225 is the 3442785-th square number.

11852768556225 is the 1721393-rd centered octagonal number.

It is an amenable number.

11852768556225 is a deficient number, since it is larger than the sum of its proper divisors (9376949398818).

11852768556225 is an frugal number, since it uses more digits than its factorization.

11852768556225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459054 (or 229527 counting only the distinct ones).

The product of its digits is 80640000, while the sum is 63.

The spelling of 11852768556225 in words is "eleven trillion, eight hundred fifty-two billion, seven hundred sixty-eight million, five hundred fifty-six thousand, two hundred twenty-five".