11131116055 has 8 divisors (see below), whose sum is σ = 13359650400. Its totient is φ = 8903352096.

The previous prime is 11131116013. The next prime is 11131116077. The reversal of 11131116055 is 55061113111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131116055 - 2¹⁵ = 11131083287 is a prime.

It is a super-3 number, since 3×11131116055³ (a number of 31 digits) contains 333 as substring.

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, 160315 + ... + 219004.

It is an arithmetic number, because the mean of its divisors is an integer number (1669956300).

Almost surely, 2^11131116055 is an apocalyptic number.

11131116055 is a deficient number, since it is larger than the sum of its proper divisors (2228534345).

11131116055 is an equidigital number, since it uses as much as digits as its factorization.

11131116055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385193.

The product of its (nonzero) digits is 450, while the sum is 25.

Adding to 11131116055 its reverse (55061113111), we get a palindrome (66192229166).

The spelling of 11131116055 in words is "eleven billion, one hundred thirty-one million, one hundred sixteen thousand, fifty-five".