11211240143 has 8 divisors (see below), whose sum is σ = 11227708800. Its totient is φ = 11194786008.

The previous prime is 11211240119. The next prime is 11211240191. The reversal of 11211240143 is 34104211211.

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

It is a cyclic number.

It is not a de Polignac number, because 11211240143 - 2¹⁶ = 11211174607 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 (11211240743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3376238 + ... + 3379556.

It is an arithmetic number, because the mean of its divisors is an integer number (1403463600).

Almost surely, 2^11211240143 is an apocalyptic number.

11211240143 is a deficient number, since it is larger than the sum of its proper divisors (16468657).

11211240143 is a wasteful number, since it uses less digits than its factorization.

11211240143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11211240143 its reverse (34104211211), we get a palindrome (45315451354).

The spelling of 11211240143 in words is "eleven billion, two hundred eleven million, two hundred forty thousand, one hundred forty-three".