11117357178 has 16 divisors (see below), whose sum is σ = 23404962720. Its totient is φ = 3510744336.

The previous prime is 11117357171. The next prime is 11117357201. The reversal of 11117357178 is 87175371111.

11117357178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11117357171) 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, 48760225 + ... + 48760452.

It is an arithmetic number, because the mean of its divisors is an integer number (1462810170).

Almost surely, 2^11117357178 is an apocalyptic number.

11117357178 is an abundant number, since it is smaller than the sum of its proper divisors (12287605542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11117357178 is a wasteful number, since it uses less digits than its factorization.

11117357178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97520701.

The product of its digits is 41160, while the sum is 42.

The spelling of 11117357178 in words is "eleven billion, one hundred seventeen million, three hundred fifty-seven thousand, one hundred seventy-eight".