11061839860 has 24 divisors (see below), whose sum is σ = 23248786176. Its totient is φ = 4421131680.

The previous prime is 11061839839. The next prime is 11061839861. The reversal of 11061839860 is 6893816011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061839861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200032 + ... + 249271.

It is an arithmetic number, because the mean of its divisors is an integer number (968699424).

Almost surely, 2^11061839860 is an apocalyptic number.

11061839860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11061839860 is an abundant number, since it is smaller than the sum of its proper divisors (12186946316).

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

11061839860 is a wasteful number, since it uses less digits than its factorization.

11061839860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450543 (or 450541 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 11061839860 in words is "eleven billion, sixty-one million, eight hundred thirty-nine thousand, eight hundred sixty".