2144051245551 has 16 divisors (see below), whose sum is σ = 3027247279200. Its totient is φ = 1345130876928.

The previous prime is 2144051245547. The next prime is 2144051245591. The reversal of 2144051245551 is 1555421504412.

It is not a de Polignac number, because 2144051245551 - 2² = 2144051245547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144051245541) 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, 1995906 + ... + 2876063.

It is an arithmetic number, because the mean of its divisors is an integer number (189202954950).

Almost surely, 2^{2144051245551} is an apocalyptic number.

2144051245551 is a deficient number, since it is larger than the sum of its proper divisors (883196033649).

2144051245551 is a wasteful number, since it uses less digits than its factorization.

2144051245551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880618.

The product of its (nonzero) digits is 160000, while the sum is 39.

Adding to 2144051245551 its reverse (1555421504412), we get a palindrome (3699472749963).

The spelling of 2144051245551 in words is "two trillion, one hundred forty-four billion, fifty-one million, two hundred forty-five thousand, five hundred fifty-one".