11852568875536 has 15 divisors (see below), whose sum is σ = 22964378877741. Its totient is φ = 5926277552256.

The previous prime is 11852568875533. The next prime is 11852568875561. The reversal of 11852568875536 is 63557886525811.

The square root of 11852568875536 is 3442756.

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

It can be written as a sum of positive squares in only one way, i.e., 8541333573136 + 3311235302400 = 2922556^2 + 1819680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11852568875533) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13340680 + ... + 14201368.

Almost surely, 2^{11852568875536} is an apocalyptic number.

11852568875536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11852568875536 is the 3442756-th square number.

It is an amenable number.

11852568875536 is a deficient number, since it is larger than the sum of its proper divisors (11111810002205).

11852568875536 is an frugal number, since it uses more digits than its factorization.

11852568875536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721386 (or 860691 counting only the distinct ones).

The product of its digits is 483840000, while the sum is 70.

The spelling of 11852568875536 in words is "eleven trillion, eight hundred fifty-two billion, five hundred sixty-eight million, eight hundred seventy-five thousand, five hundred thirty-six".