11018898 has 96 divisors (see below), whose sum is σ = 28641600. Its totient is φ = 3024000.

The previous prime is 11018897. The next prime is 11018951. The reversal of 11018898 is 89881011.

It is a super-2 number, since 2×11018898² = 242832226268808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11018893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109048 + ... + 109148.

It is an arithmetic number, because the mean of its divisors is an integer number (298350).

Almost surely, 2^11018898 is an apocalyptic number.

11018898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11018898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14320800).

11018898 is an abundant number, since it is smaller than the sum of its proper divisors (17622702).

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

11018898 is a wasteful number, since it uses less digits than its factorization.

11018898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The square root of 11018898 is about 3319.4725484631. The cubic root of 11018898 is about 222.5252961182.

It can be divided in two parts, 1101 and 8898, that added together give a palindrome (9999).

The spelling of 11018898 in words is "eleven million, eighteen thousand, eight hundred ninety-eight".