11855584910000 has 150 divisors (see below), whose sum is σ = 31081370480820. Its totient is φ = 4377446112000.

The previous prime is 11855584909991. The next prime is 11855584910003. The reversal of 11855584910000 is 1948555811.

It is a super-3 number, since 3×11855584910000³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11855584910003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1817570 + ... + 5197569.

Almost surely, 2^{11855584910000} is an apocalyptic number.

11855584910000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11855584910000 is an abundant number, since it is smaller than the sum of its proper divisors (19225785570820).

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

11855584910000 is an equidigital number, since it uses as much as digits as its factorization.

11855584910000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015193 (or 7015159 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 47.

The spelling of 11855584910000 in words is "eleven trillion, eight hundred fifty-five billion, five hundred eighty-four million, nine hundred ten thousand".