11802215044 has 9 divisors (see below), whose sum is σ = 20654256567. Its totient is φ = 5900998884.

The previous prime is 11802214981. The next prime is 11802215063. The reversal of 11802215044 is 44051220811.

The square root of 11802215044 is 108638.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 190117 + ... + 244435.

Almost surely, 2^11802215044 is an apocalyptic number.

11802215044 is the 108638-th square number.

It is an amenable number.

11802215044 is a deficient number, since it is larger than the sum of its proper divisors (8852041523).

11802215044 is an frugal number, since it uses more digits than its factorization.

11802215044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108642 (or 54321 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

Adding to 11802215044 its reverse (44051220811), we get a palindrome (55853435855).

The spelling of 11802215044 in words is "eleven billion, eight hundred two million, two hundred fifteen thousand, forty-four".