11144254137 has 24 divisors (see below), whose sum is σ = 15872882400. Its totient is φ = 6953312256.

The previous prime is 11144254097. The next prime is 11144254189. The reversal of 11144254137 is 73145244111.

It is a happy number.

It is not a de Polignac number, because 11144254137 - 2⁶ = 11144254073 is a prime.

It is a super-2 number, since 2×11144254137² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11144254098 and 11144254107.

It is not an unprimeable number, because it can be changed into a prime (11144274137) 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 23 ways as a sum of consecutive naturals, for example, 119289 + ... + 191097.

It is an arithmetic number, because the mean of its divisors is an integer number (661370100).

Almost surely, 2^11144254137 is an apocalyptic number.

11144254137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11144254137 is a deficient number, since it is larger than the sum of its proper divisors (4728628263).

11144254137 is a wasteful number, since it uses less digits than its factorization.

11144254137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72025 (or 72008 counting only the distinct ones).

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

Adding to 11144254137 its reverse (73145244111), we get a palindrome (84289498248).

The spelling of 11144254137 in words is "eleven billion, one hundred forty-four million, two hundred fifty-four thousand, one hundred thirty-seven".