361143811 has 8 divisors (see below), whose sum is σ = 434458880. Its totient is φ = 293259528.

The previous prime is 361143787. The next prime is 361143821. The reversal of 361143811 is 118341163.

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

It is not a de Polignac number, because 361143811 - 2⁷ = 361143683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361143811.

It is not an unprimeable number, because it can be changed into a prime (361143821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357551 + ... + 1357816.

It is an arithmetic number, because the mean of its divisors is an integer number (54307360).

Almost surely, 2^361143811 is an apocalyptic number.

361143811 is a deficient number, since it is larger than the sum of its proper divisors (73315069).

361143811 is a wasteful number, since it uses less digits than its factorization.

361143811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715393.

The product of its digits is 1728, while the sum is 28.

The square root of 361143811 is about 19003.7841231687. The cubic root of 361143811 is about 712.1312743210.

Adding to 361143811 its reverse (118341163), we get a palindrome (479484974).

The spelling of 361143811 in words is "three hundred sixty-one million, one hundred forty-three thousand, eight hundred eleven".