11098878 has 32 divisors (see below), whose sum is σ = 25470720. Its totient is φ = 3158400.

The previous prime is 11098877. The next prime is 11098897. The reversal of 11098878 is 87889011.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11098873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16513 + ... + 17171.

It is an arithmetic number, because the mean of its divisors is an integer number (795960).

Almost surely, 2^11098878 is an apocalyptic number.

11098878 is an abundant number, since it is smaller than the sum of its proper divisors (14371842).

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

11098878 is a wasteful number, since it uses less digits than its factorization.

11098878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 32256, while the sum is 42.

The square root of 11098878 is about 3331.4978613230. The cubic root of 11098878 is about 223.0623941451.

The spelling of 11098878 in words is "eleven million, ninety-eight thousand, eight hundred seventy-eight".