2144113551 has 8 divisors (see below), whose sum is σ = 3176464560. Its totient is φ = 1429409016.

The previous prime is 2144113523. The next prime is 2144113553. The reversal of 2144113551 is 1553114412.

2144113551 is a `hidden beast` number, since 214 + 411 + 35 + 5 + 1 = 666.

It is not a de Polignac number, because 2144113551 - 2¹¹ = 2144111503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79411613 = 2144113551 / (2 + 1 + 4 + 4 + 1 + 1 + 3 + 5 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144113553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39705780 + ... + 39705833.

It is an arithmetic number, because the mean of its divisors is an integer number (397058070).

Almost surely, 2^2144113551 is an apocalyptic number.

2144113551 is a deficient number, since it is larger than the sum of its proper divisors (1032351009).

2144113551 is an equidigital number, since it uses as much as digits as its factorization.

2144113551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79411622 (or 79411616 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 2144113551 is about 46304.5737589712. The cubic root of 2144113551 is about 1289.4839092932.

Adding to 2144113551 its reverse (1553114412), we get a palindrome (3697227963).

The spelling of 2144113551 in words is "two billion, one hundred forty-four million, one hundred thirteen thousand, five hundred fifty-one".