11013776220 has 48 divisors (see below), whose sum is σ = 30845122560. Its totient is φ = 2936383296.

The previous prime is 11013776203. The next prime is 11013776261. The reversal of 11013776220 is 2267731011.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 311989 + ... + 345491.

It is an arithmetic number, because the mean of its divisors is an integer number (642606720).

Almost surely, 2^11013776220 is an apocalyptic number.

11013776220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013776220 is an abundant number, since it is smaller than the sum of its proper divisors (19831346340).

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

11013776220 is a wasteful number, since it uses less digits than its factorization.

11013776220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38994 (or 38992 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The spelling of 11013776220 in words is "eleven billion, thirteen million, seven hundred seventy-six thousand, two hundred twenty".