11283782120 has 32 divisors (see below), whose sum is σ = 27341473320. Its totient is φ = 4166319360.

The previous prime is 11283782117. The next prime is 11283782123. The reversal of 11283782120 is 2128738211.

It is an interprime number because it is at equal distance from previous prime (11283782117) and next prime (11283782123).

It can be written as a sum of positive squares in 4 ways, for example, as 9820413604 + 1463368516 = 99098^2 + 38254^2 .

It is not an unprimeable number, because it can be changed into a prime (11283782123) 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, 10849271 + ... + 10850310.

Almost surely, 2^11283782120 is an apocalyptic number.

11283782120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11283782120 is an abundant number, since it is smaller than the sum of its proper divisors (16057691200).

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

11283782120 is a wasteful number, since it uses less digits than its factorization.

11283782120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699605 (or 21699601 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 11283782120 in words is "eleven billion, two hundred eighty-three million, seven hundred eighty-two thousand, one hundred twenty".