11294694543 has 24 divisors (see below), whose sum is σ = 16762681600. Its totient is φ = 6758603280.

The previous prime is 11294694529. The next prime is 11294694553. The reversal of 11294694543 is 34549649211.

It is not a de Polignac number, because 11294694543 - 2⁴ = 11294694527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11294694492 and 11294694501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11294694553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168253 + ... + 225606.

Almost surely, 2^11294694543 is an apocalyptic number.

11294694543 is a deficient number, since it is larger than the sum of its proper divisors (5467987057).

11294694543 is a wasteful number, since it uses less digits than its factorization.

11294694543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393963 (or 393952 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 11294694543 in words is "eleven billion, two hundred ninety-four million, six hundred ninety-four thousand, five hundred forty-three".