11124545143 has 4 divisors (see below), whose sum is σ = 11126513160. Its totient is φ = 11122577128.

The previous prime is 11124545141. The next prime is 11124545177. The reversal of 11124545143 is 34154542111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34154542111 = 43 ⋅794291677.

It is a cyclic number.

It is not a de Polignac number, because 11124545143 - 2¹ = 11124545141 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 (11124545141) 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, 975505 + ... + 986842.

It is an arithmetic number, because the mean of its divisors is an integer number (2781628290).

Almost surely, 2^11124545143 is an apocalyptic number.

11124545143 is a deficient number, since it is larger than the sum of its proper divisors (1968017).

11124545143 is an equidigital number, since it uses as much as digits as its factorization.

11124545143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968016.

The product of its digits is 9600, while the sum is 31.

The spelling of 11124545143 in words is "eleven billion, one hundred twenty-four million, five hundred forty-five thousand, one hundred forty-three".