11066631870 has 96 divisors (see below), whose sum is σ = 31357646208. Its totient is φ = 2491739712.

The previous prime is 11066631869. The next prime is 11066631889. The reversal of 11066631870 is 7813666011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42309 + ... + 154671.

It is an arithmetic number, because the mean of its divisors is an integer number (326642148).

Almost surely, 2^11066631870 is an apocalyptic number.

11066631870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11066631870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15678823104).

11066631870 is an abundant number, since it is smaller than the sum of its proper divisors (20291014338).

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

11066631870 is a wasteful number, since it uses less digits than its factorization.

11066631870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112454 (or 112447 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 11066631870 in words is "eleven billion, sixty-six million, six hundred thirty-one thousand, eight hundred seventy".