2144541632251 has 4 divisors (see below), whose sum is σ = 2155769599104. Its totient is φ = 2133313665400.

The previous prime is 2144541632183. The next prime is 2144541632339. The reversal of 2144541632251 is 1522361454412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144541632251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144541632551) 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 3 ways as a sum of consecutive naturals, for example, 5613983140 + ... + 5613983521.

It is an arithmetic number, because the mean of its divisors is an integer number (538942399776).

Almost surely, 2^{2144541632251} is an apocalyptic number.

2144541632251 is a deficient number, since it is larger than the sum of its proper divisors (11227966853).

2144541632251 is a wasteful number, since it uses less digits than its factorization.

2144541632251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11227966852.

The product of its digits is 230400, while the sum is 40.

The spelling of 2144541632251 in words is "two trillion, one hundred forty-four billion, five hundred forty-one million, six hundred thirty-two thousand, two hundred fifty-one".