11125215044 has 12 divisors (see below), whose sum is σ = 19661890668. Its totient is φ = 5507532000.

The previous prime is 11125215029. The next prime is 11125215109. The reversal of 11125215044 is 44051252111.

It is a happy number.

11125215044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5641812544 + 5483402500 = 75112^2 + 74050^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13768427 + ... + 13769234.

It is an arithmetic number, because the mean of its divisors is an integer number (1638490889).

Almost surely, 2^11125215044 is an apocalyptic number.

It is an amenable number.

11125215044 is a deficient number, since it is larger than the sum of its proper divisors (8536675624).

11125215044 is a wasteful number, since it uses less digits than its factorization.

11125215044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27537766 (or 27537764 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 11125215044 its reverse (44051252111), we get a palindrome (55176467155).

The spelling of 11125215044 in words is "eleven billion, one hundred twenty-five million, two hundred fifteen thousand, forty-four".