11115576222220 has 96 divisors (see below), whose sum is σ = 23896260541440. Its totient is φ = 4341905667840.

The previous prime is 11115576222211. The next prime is 11115576222277. The reversal of 11115576222220 is 2222267551111.

It is a self number, because there is not a number n which added to its sum of digits gives 11115576222220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170905347 + ... + 170970373.

It is an arithmetic number, because the mean of its divisors is an integer number (248919380640).

Almost surely, 2^{11115576222220} is an apocalyptic number.

11115576222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11115576222220 is an abundant number, since it is smaller than the sum of its proper divisors (12780684319220).

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

11115576222220 is a wasteful number, since it uses less digits than its factorization.

11115576222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66103 (or 66101 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 11115576222220 in words is "eleven trillion, one hundred fifteen billion, five hundred seventy-six million, two hundred twenty-two thousand, two hundred twenty".