2251163143001 has 4 divisors (see below), whose sum is σ = 2383584504372. Its totient is φ = 2118741781632.

The previous prime is 2251163142919. The next prime is 2251163143013. The reversal of 2251163143001 is 1003413611522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1209008003401 + 1042155139600 = 1099549^2 + 1020860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251163143001 - 2²⁶ = 2251096034137 is a prime.

It is a super-2 number, since 2×2251163143001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251163143601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66210680660 + ... + 66210680693.

It is an arithmetic number, because the mean of its divisors is an integer number (595896126093).

Almost surely, 2^{2251163143001} is an apocalyptic number.

It is an amenable number.

2251163143001 is a deficient number, since it is larger than the sum of its proper divisors (132421361371).

2251163143001 is a wasteful number, since it uses less digits than its factorization.

2251163143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132421361370.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 2251163143001 its reverse (1003413611522), we get a palindrome (3254576754523).

The spelling of 2251163143001 in words is "two trillion, two hundred fifty-one billion, one hundred sixty-three million, one hundred forty-three thousand, one".