4111221544 has 8 divisors (see below), whose sum is σ = 7708540410. Its totient is φ = 2055610768.

The previous prime is 4111221481. The next prime is 4111221551. The reversal of 4111221544 is 4451221114.

It can be written as a sum of positive squares in only one way, i.e., 3290399044 + 820822500 = 57362^2 + 28650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256951339 + ... + 256951354.

Almost surely, 2^4111221544 is an apocalyptic number.

It is an amenable number.

4111221544 is a deficient number, since it is larger than the sum of its proper divisors (3597318866).

4111221544 is a wasteful number, since it uses less digits than its factorization.

4111221544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513902699 (or 513902695 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 4111221544 is about 64118.8080363321. The cubic root of 4111221544 is about 1601.9795217984.

Adding to 4111221544 its reverse (4451221114), we get a palindrome (8562442658).

The spelling of 4111221544 in words is "four billion, one hundred eleven million, two hundred twenty-one thousand, five hundred forty-four".