11701143 has 6 divisors (see below), whose sum is σ = 16901664. Its totient is φ = 7800756.

The previous prime is 11701127. The next prime is 11701147. The reversal of 11701143 is 34110711.

It is not a de Polignac number, because 11701143 - 2⁴ = 11701127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11701147) 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 5 ways as a sum of consecutive naturals, for example, 650055 + ... + 650072.

It is an arithmetic number, because the mean of its divisors is an integer number (2816944).

Almost surely, 2^11701143 is an apocalyptic number.

11701143 is a deficient number, since it is larger than the sum of its proper divisors (5200521).

11701143 is a wasteful number, since it uses less digits than its factorization.

11701143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300133 (or 1300130 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 11701143 is about 3420.6933507697. The cubic root of 11701143 is about 227.0262604899.

Adding to 11701143 its reverse (34110711), we get a palindrome (45811854).

The spelling of 11701143 in words is "eleven million, seven hundred one thousand, one hundred forty-three".