11131116056 has 32 divisors (see below), whose sum is σ = 21480379200. Its totient is φ = 5405289120.

The previous prime is 11131116013. The next prime is 11131116077. The reversal of 11131116056 is 65061113111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102890 + ... + 181241.

It is an arithmetic number, because the mean of its divisors is an integer number (671261850).

Almost surely, 2^11131116056 is an apocalyptic number.

It is an amenable number.

11131116056 is a deficient number, since it is larger than the sum of its proper divisors (10349263144).

11131116056 is a wasteful number, since it uses less digits than its factorization.

11131116056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284279 (or 284275 counting only the distinct ones).

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

Adding to 11131116056 its reverse (65061113111), we get a palindrome (76192229167).

The spelling of 11131116056 in words is "eleven billion, one hundred thirty-one million, one hundred sixteen thousand, fifty-six".