11220554442 has 16 divisors (see below), whose sum is σ = 22475170080. Its totient is φ = 3734507952.

The previous prime is 11220554431. The next prime is 11220554491. The reversal of 11220554442 is 24445502211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414933 + ... + 1422840.

It is an arithmetic number, because the mean of its divisors is an integer number (1404698130).

Almost surely, 2^11220554442 is an apocalyptic number.

11220554442 is an abundant number, since it is smaller than the sum of its proper divisors (11254615638).

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

11220554442 is a wasteful number, since it uses less digits than its factorization.

11220554442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838437.

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 11220554442 in words is "eleven billion, two hundred twenty million, five hundred fifty-four thousand, four hundred forty-two".