11384780022 has 48 divisors (see below), whose sum is σ = 30753695232. Its totient is φ = 2957085360.

The previous prime is 11384780003. The next prime is 11384780023. The reversal of 11384780022 is 22008748311.

It is a super-2 number, since 2×11384780022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11384780023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4105678 + ... + 4108449.

It is an arithmetic number, because the mean of its divisors is an integer number (640701984).

Almost surely, 2^11384780022 is an apocalyptic number.

11384780022 is an abundant number, since it is smaller than the sum of its proper divisors (19368915210).

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

11384780022 is a wasteful number, since it uses less digits than its factorization.

11384780022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214153 (or 8214150 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 11384780022 in words is "eleven billion, three hundred eighty-four million, seven hundred eighty thousand, twenty-two".