11169870556 has 48 divisors (see below), whose sum is σ = 22355172000. Its totient is φ = 4840722432.

The previous prime is 11169870511. The next prime is 11169870571. The reversal of 11169870556 is 65507896111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61620 + ... + 161668.

It is an arithmetic number, because the mean of its divisors is an integer number (465732750).

Almost surely, 2^11169870556 is an apocalyptic number.

It is an amenable number.

11169870556 is an abundant number, since it is smaller than the sum of its proper divisors (11185301444).

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

11169870556 is a wasteful number, since it uses less digits than its factorization.

11169870556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100198 (or 100196 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 49.

The spelling of 11169870556 in words is "eleven billion, one hundred sixty-nine million, eight hundred seventy thousand, five hundred fifty-six".