11578471370556 has 96 divisors (see below), whose sum is σ = 27438658632000. Its totient is φ = 3799695212544.

The previous prime is 11578471370549. The next prime is 11578471370593. The reversal of 11578471370556 is 65507317487511.

It is a super-3 number, since 3×11578471370556³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11578471370556.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 164785320 + ... + 164855568.

It is an arithmetic number, because the mean of its divisors is an integer number (285819360750).

Almost surely, 2^{11578471370556} is an apocalyptic number.

It is an amenable number.

11578471370556 is an abundant number, since it is smaller than the sum of its proper divisors (15860187261444).

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

11578471370556 is a wasteful number, since it uses less digits than its factorization.

11578471370556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71183 (or 71181 counting only the distinct ones).

The product of its (nonzero) digits is 24696000, while the sum is 60.

The spelling of 11578471370556 in words is "eleven trillion, five hundred seventy-eight billion, four hundred seventy-one million, three hundred seventy thousand, five hundred fifty-six".