11130206541 has 16 divisors (see below), whose sum is σ = 15528945024. Its totient is φ = 7083370944.

The previous prime is 11130206537. The next prime is 11130206557. The reversal of 11130206541 is 14560203111.

It is a happy number.

It is not a de Polignac number, because 11130206541 - 2² = 11130206537 is a prime.

It is a super-5 number, since 5×11130206541⁵ (a number of 51 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130206501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940081 + ... + 951846.

It is an arithmetic number, because the mean of its divisors is an integer number (970559064).

Almost surely, 2^11130206541 is an apocalyptic number.

It is an amenable number.

11130206541 is a deficient number, since it is larger than the sum of its proper divisors (4398738483).

11130206541 is a wasteful number, since it uses less digits than its factorization.

11130206541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892020.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 11130206541 its reverse (14560203111), we get a palindrome (25690409652).

The spelling of 11130206541 in words is "eleven billion, one hundred thirty million, two hundred six thousand, five hundred forty-one".