2144055551 has 16 divisors (see below), whose sum is σ = 2519341440. Its totient is φ = 1803604320.

The previous prime is 2144055533. The next prime is 2144055569. The reversal of 2144055551 is 1555504412.

It is an interprime number because it is at equal distance from previous prime (2144055533) and next prime (2144055569).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144055551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144055451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110300 + ... + 128273.

It is an arithmetic number, because the mean of its divisors is an integer number (157458840).

Almost surely, 2^2144055551 is an apocalyptic number.

2144055551 is a deficient number, since it is larger than the sum of its proper divisors (375285889).

2144055551 is a wasteful number, since it uses less digits than its factorization.

2144055551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238646.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 2144055551 is about 46303.9474667117. The cubic root of 2144055551 is about 1289.4722819953.

Adding to 2144055551 its reverse (1555504412), we get a palindrome (3699559963).

The spelling of 2144055551 in words is "two billion, one hundred forty-four million, fifty-five thousand, five hundred fifty-one".