11852708581 has 8 divisors (see below), whose sum is σ = 14013054720. Its totient is φ = 9809137968.

The previous prime is 11852708561. The next prime is 11852708587. The reversal of 11852708581 is 18580725811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11852708581 - 2¹³ = 11852700389 is a prime.

It is a super-2 number, since 2×11852708581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11852708587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29193661 + ... + 29194066.

It is an arithmetic number, because the mean of its divisors is an integer number (1751631840).

Almost surely, 2^11852708581 is an apocalyptic number.

It is an amenable number.

11852708581 is a deficient number, since it is larger than the sum of its proper divisors (2160346139).

11852708581 is an equidigital number, since it uses as much as digits as its factorization.

11852708581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58387763.

The product of its (nonzero) digits is 179200, while the sum is 46.

The spelling of 11852708581 in words is "eleven billion, eight hundred fifty-two million, seven hundred eight thousand, five hundred eighty-one".