11276772220 has 48 divisors (see below), whose sum is σ = 27077073408. Its totient is φ = 3864490560.

The previous prime is 11276772209. The next prime is 11276772223. The reversal of 11276772220 is 2227767211.

It is a self number, because there is not a number n which added to its sum of digits gives 11276772220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11276772223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296065 + ... + 331975.

It is an arithmetic number, because the mean of its divisors is an integer number (564105696).

Almost surely, 2^11276772220 is an apocalyptic number.

11276772220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11276772220 is an abundant number, since it is smaller than the sum of its proper divisors (15800301188).

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

11276772220 is a wasteful number, since it uses less digits than its factorization.

11276772220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38170 (or 38168 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 11276772220 in words is "eleven billion, two hundred seventy-six million, seven hundred seventy-two thousand, two hundred twenty".