11131061156 has 24 divisors (see below), whose sum is σ = 20610854880. Its totient is φ = 5245281792.

The previous prime is 11131061153. The next prime is 11131061191. The reversal of 11131061156 is 65116013111.

11131061156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11131061156² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11131061153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364766 + ... + 394101.

It is an arithmetic number, because the mean of its divisors is an integer number (858785620).

Almost surely, 2^11131061156 is an apocalyptic number.

It is an amenable number.

11131061156 is a deficient number, since it is larger than the sum of its proper divisors (9479793724).

11131061156 is a wasteful number, since it uses less digits than its factorization.

11131061156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759083 (or 759081 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

Adding to 11131061156 its reverse (65116013111), we get a palindrome (76247074267).

The spelling of 11131061156 in words is "eleven billion, one hundred thirty-one million, sixty-one thousand, one hundred fifty-six".