11466885143 has 4 divisors (see below), whose sum is σ = 13105011600. Its totient is φ = 9828758688.

The previous prime is 11466885109. The next prime is 11466885181. The reversal of 11466885143 is 34158866411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11466885143 - 2⁸ = 11466884887 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 (11466885193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819063218 + ... + 819063231.

It is an arithmetic number, because the mean of its divisors is an integer number (3276252900).

Almost surely, 2^11466885143 is an apocalyptic number.

11466885143 is a deficient number, since it is larger than the sum of its proper divisors (1638126457).

11466885143 is an equidigital number, since it uses as much as digits as its factorization.

11466885143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638126456.

The product of its digits is 552960, while the sum is 47.

The spelling of 11466885143 in words is "eleven billion, four hundred sixty-six million, eight hundred eighty-five thousand, one hundred forty-three".