11121425444 has 12 divisors (see below), whose sum is σ = 19463869068. Its totient is φ = 5560320000.

The previous prime is 11121425417. The next prime is 11121425461. The reversal of 11121425444 is 44452412111.

11121425444 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 9918168100 + 1203257344 = 99590^2 + 34688^2 .

It is a super-2 number, since 2×11121425444² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 29057 + ... + 151944.

It is an arithmetic number, because the mean of its divisors is an integer number (1621989089).

Almost surely, 2^11121425444 is an apocalyptic number.

It is an amenable number.

11121425444 is a deficient number, since it is larger than the sum of its proper divisors (8342443624).

11121425444 is a wasteful number, since it uses less digits than its factorization.

11121425444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196366 (or 196364 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

Adding to 11121425444 its reverse (44452412111), we get a palindrome (55573837555).

The spelling of 11121425444 in words is "eleven billion, one hundred twenty-one million, four hundred twenty-five thousand, four hundred forty-four".