4011321143 has 16 divisors (see below), whose sum is σ = 4140211200. Its totient is φ = 3884755680.

The previous prime is 4011321137. The next prime is 4011321157. The reversal of 4011321143 is 3411231104.

It is a cyclic number.

It is not a de Polignac number, because 4011321143 - 2³⁰ = 2937579319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011321103) 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, 2133878 + ... + 2135756.

It is an arithmetic number, because the mean of its divisors is an integer number (258763200).

Almost surely, 2^4011321143 is an apocalyptic number.

4011321143 is a deficient number, since it is larger than the sum of its proper divisors (128890057).

4011321143 is a wasteful number, since it uses less digits than its factorization.

4011321143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4011321143 is about 63334.9914581189. The cubic root of 4011321143 is about 1588.8972408330.

Adding to 4011321143 its reverse (3411231104), we get a palindrome (7422552247).

The spelling of 4011321143 in words is "four billion, eleven million, three hundred twenty-one thousand, one hundred forty-three".