5541001143 has 8 divisors (see below), whose sum is σ = 7389104256. Its totient is φ = 3693449400.

The previous prime is 5541001121. The next prime is 5541001171. The reversal of 5541001143 is 3411001455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5541001143 - 2⁹ = 5541000631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541001043) 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 7 ways as a sum of consecutive naturals, for example, 113793 + ... + 155018.

It is an arithmetic number, because the mean of its divisors is an integer number (923638032).

Almost surely, 2^5541001143 is an apocalyptic number.

5541001143 is a deficient number, since it is larger than the sum of its proper divisors (1848103113).

5541001143 is a wasteful number, since it uses less digits than its factorization.

5541001143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275685.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5541001143 is about 74437.9012533266. The cubic root of 5541001143 is about 1769.5496255893.

Adding to 5541001143 its reverse (3411001455), we get a palindrome (8952002598).

The spelling of 5541001143 in words is "five billion, five hundred forty-one million, one thousand, one hundred forty-three".