11144143965 has 32 divisors (see below), whose sum is σ = 18453427200. Its totient is φ = 5736936960.

The previous prime is 11144143963. The next prime is 11144143981. The reversal of 11144143965 is 56934144111.

It is a happy number.

It is not a de Polignac number, because 11144143965 - 2¹ = 11144143963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144143963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150081 + ... + 211689.

It is an arithmetic number, because the mean of its divisors is an integer number (576669600).

Almost surely, 2^11144143965 is an apocalyptic number.

11144143965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11144143965 is a deficient number, since it is larger than the sum of its proper divisors (7309283235).

11144143965 is a wasteful number, since it uses less digits than its factorization.

11144143965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62037.

The product of its digits is 51840, while the sum is 39.

The spelling of 11144143965 in words is "eleven billion, one hundred forty-four million, one hundred forty-three thousand, nine hundred sixty-five".