2144450542551 has 16 divisors (see below), whose sum is σ = 3010383479040. Its totient is φ = 1354107067200.

The previous prime is 2144450542519. The next prime is 2144450542579. The reversal of 2144450542551 is 1552450544412.

It is not a de Polignac number, because 2144450542551 - 2⁵ = 2144450542519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144450549551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3651475 + ... + 4197876.

It is an arithmetic number, because the mean of its divisors is an integer number (188148967440).

Almost surely, 2^{2144450542551} is an apocalyptic number.

2144450542551 is a deficient number, since it is larger than the sum of its proper divisors (865932936489).

2144450542551 is a wasteful number, since it uses less digits than its factorization.

2144450542551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854166.

The product of its (nonzero) digits is 640000, while the sum is 42.

The spelling of 2144450542551 in words is "two trillion, one hundred forty-four billion, four hundred fifty million, five hundred forty-two thousand, five hundred fifty-one".