11051120155 has 8 divisors (see below), whose sum is σ = 13837924512. Its totient is φ = 8456509248.

The previous prime is 11051120149. The next prime is 11051120159. The reversal of 11051120155 is 55102115011.

11051120155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11051120155 - 2⁷ = 11051120027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11051120159) 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, 48048234 + ... + 48048463.

It is an arithmetic number, because the mean of its divisors is an integer number (1729740564).

Almost surely, 2^11051120155 is an apocalyptic number.

11051120155 is a deficient number, since it is larger than the sum of its proper divisors (2786804357).

11051120155 is an equidigital number, since it uses as much as digits as its factorization.

11051120155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96096725.

The product of its (nonzero) digits is 250, while the sum is 22.

Adding to 11051120155 its reverse (55102115011), we get a palindrome (66153235166).

The spelling of 11051120155 in words is "eleven billion, fifty-one million, one hundred twenty thousand, one hundred fifty-five".