11582385512878 has 8 divisors (see below), whose sum is σ = 17843134438872. Its totient is φ = 5634674033256.

The previous prime is 11582385512851. The next prime is 11582385512879. The reversal of 11582385512878 is 87821558328511.

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

It is a super-2 number, since 2×11582385512878² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11582385512879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78259361500 + ... + 78259361647.

It is an arithmetic number, because the mean of its divisors is an integer number (2230391804859).

Almost surely, 2^{11582385512878} is an apocalyptic number.

11582385512878 is a deficient number, since it is larger than the sum of its proper divisors (6260748925994).

11582385512878 is a wasteful number, since it uses less digits than its factorization.

11582385512878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156518723186.

The product of its digits is 43008000, while the sum is 64.

The spelling of 11582385512878 in words is "eleven trillion, five hundred eighty-two billion, three hundred eighty-five million, five hundred twelve thousand, eight hundred seventy-eight".