11155306541 has 16 divisors (see below), whose sum is σ = 11356450560. Its totient is φ = 10956366720.

The previous prime is 11155306531. The next prime is 11155306549. The reversal of 11155306541 is 14560355111.

It is a cyclic number.

It is not a de Polignac number, because 11155306541 - 2²⁶ = 11088197677 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11155306498 and 11155306507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155306549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7381976 + ... + 7383486.

It is an arithmetic number, because the mean of its divisors is an integer number (709778160).

Almost surely, 2^11155306541 is an apocalyptic number.

It is an amenable number.

11155306541 is a deficient number, since it is larger than the sum of its proper divisors (201144019).

11155306541 is a wasteful number, since it uses less digits than its factorization.

11155306541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 11155306541 in words is "eleven billion, one hundred fifty-five million, three hundred six thousand, five hundred forty-one".