11137421427 has 8 divisors (see below), whose sum is σ = 16199885760. Its totient is φ = 6749952360.

The previous prime is 11137421417. The next prime is 11137421453. The reversal of 11137421427 is 72412473111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11137421427 - 2¹⁰ = 11137420403 is a prime.

It is a super-4 number, since 4×11137421427⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 337497619 = 11137421427 / (1 + 1 + 1 + 3 + 7 + 4 + 2 + 1 + 4 + 2 + 7).

It is not an unprimeable number, because it can be changed into a prime (11137421417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168748777 + ... + 168748842.

It is an arithmetic number, because the mean of its divisors is an integer number (2024985720).

Almost surely, 2^11137421427 is an apocalyptic number.

11137421427 is a deficient number, since it is larger than the sum of its proper divisors (5062464333).

11137421427 is a wasteful number, since it uses less digits than its factorization.

11137421427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337497633.

The product of its digits is 9408, while the sum is 33.

Adding to 11137421427 its reverse (72412473111), we get a palindrome (83549894538).

The spelling of 11137421427 in words is "eleven billion, one hundred thirty-seven million, four hundred twenty-one thousand, four hundred twenty-seven".