11110001001155 has 16 divisors (see below), whose sum is σ = 15463984339200. Its totient is φ = 7504580632032.

The previous prime is 11110001001149. The next prime is 11110001001157. The reversal of 11110001001155 is 55110010001111.

It is a cyclic number.

It is not a de Polignac number, because 11110001001155 - 2⁶ = 11110001001091 is a prime.

It is a super-2 number, since 2×11110001001155² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11110001001157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368867805 + ... + 2368872494.

It is an arithmetic number, because the mean of its divisors is an integer number (966499021200).

Almost surely, 2^{11110001001155} is an apocalyptic number.

11110001001155 is a deficient number, since it is larger than the sum of its proper divisors (4353983338045).

11110001001155 is an equidigital number, since it uses as much as digits as its factorization.

11110001001155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737740378.

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 11110001001155 its reverse (55110010001111), we get a palindrome (66220011002266).

The spelling of 11110001001155 in words is "eleven trillion, one hundred ten billion, one million, one thousand, one hundred fifty-five".