11582787367821 has 8 divisors (see below), whose sum is σ = 15661233624384. Its totient is φ = 7613099678240.

The previous prime is 11582787367807. The next prime is 11582787367829. The reversal of 11582787367821 is 12876378728511.

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

It is a cyclic number.

It is not a de Polignac number, because 11582787367821 - 2⁹ = 11582787367309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11582787367829) 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 7 ways as a sum of consecutive naturals, for example, 27189641496 + ... + 27189641921.

It is an arithmetic number, because the mean of its divisors is an integer number (1957654203048).

Almost surely, 2^{11582787367821} is an apocalyptic number.

It is an amenable number.

11582787367821 is a deficient number, since it is larger than the sum of its proper divisors (4078446256563).

11582787367821 is an equidigital number, since it uses as much as digits as its factorization.

11582787367821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54379283491.

The product of its digits is 63221760, while the sum is 66.

The spelling of 11582787367821 in words is "eleven trillion, five hundred eighty-two billion, seven hundred eighty-seven million, three hundred sixty-seven thousand, eight hundred twenty-one".