11137421445 has 64 divisors (see below), whose sum is σ = 18960998400. Its totient is φ = 5570301440.

The previous prime is 11137421417. The next prime is 11137421453. The reversal of 11137421445 is 54412473111.

It is a happy number.

11137421445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11137421445 - 2⁵ = 11137421413 is a prime.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 14634865 + ... + 14635625.

It is an arithmetic number, because the mean of its divisors is an integer number (296265600).

Almost surely, 2^11137421445 is an apocalyptic number.

11137421445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11137421445 is a deficient number, since it is larger than the sum of its proper divisors (7823576955).

11137421445 is a wasteful number, since it uses less digits than its factorization.

11137421445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570.

The product of its digits is 13440, while the sum is 33.

Adding to 11137421445 its reverse (54412473111), we get a palindrome (65549894556).

The spelling of 11137421445 in words is "eleven billion, one hundred thirty-seven million, four hundred twenty-one thousand, four hundred forty-five".