2001143115351 has 24 divisors (see below), whose sum is σ = 3159299954304. Its totient is φ = 1215115361280.

The previous prime is 2001143115341. The next prime is 2001143115353. The reversal of 2001143115351 is 1535113411002.

2001143115351 is a `hidden beast` number, since 2 + 0 + 0 + 114 + 3 + 11 + 535 + 1 = 666.

It is not a de Polignac number, because 2001143115351 - 2¹⁴ = 2001143098967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001143115353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210952786 + ... + 210962271.

It is an arithmetic number, because the mean of its divisors is an integer number (131637498096).

Almost surely, 2^{2001143115351} is an apocalyptic number.

2001143115351 is a deficient number, since it is larger than the sum of its proper divisors (1158156838953).

2001143115351 is a wasteful number, since it uses less digits than its factorization.

2001143115351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421915111 (or 421915108 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 2001143115351 its reverse (1535113411002), we get a palindrome (3536256526353).

The spelling of 2001143115351 in words is "two trillion, one billion, one hundred forty-three million, one hundred fifteen thousand, three hundred fifty-one".