11543416011 has 6 divisors (see below), whose sum is σ = 16673823140. Its totient is φ = 7695610668.

The previous prime is 11543415979. The next prime is 11543416013. The reversal of 11543416011 is 11061434511.

11543416011 is a `hidden beast` number, since 1 + 1 + 54 + 3 + 4 + 1 + 601 + 1 = 666.

It is not a de Polignac number, because 11543416011 - 2⁵ = 11543415979 is a prime.

It is a super-2 number, since 2×11543416011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543416013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641300881 + ... + 641300898.

Almost surely, 2^11543416011 is an apocalyptic number.

11543416011 is a deficient number, since it is larger than the sum of its proper divisors (5130407129).

11543416011 is a wasteful number, since it uses less digits than its factorization.

11543416011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282601785 (or 1282601782 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 11543416011 in words is "eleven billion, five hundred forty-three million, four hundred sixteen thousand, eleven".