11097810 has 48 divisors (see below), whose sum is σ = 29929536. Its totient is φ = 2958768.

The previous prime is 11097773. The next prime is 11097871. The reversal of 11097810 is 1879011.

11097810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11097810² = 246322773592200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147 + ... + 4713.

It is an arithmetic number, because the mean of its divisors is an integer number (623532).

Almost surely, 2^11097810 is an apocalyptic number.

11097810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11097810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14964768).

11097810 is an abundant number, since it is smaller than the sum of its proper divisors (18831726).

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

11097810 is an equidigital number, since it uses as much as digits as its factorization.

11097810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589 (or 4577 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 11097810 is about 3331.3375692055. The cubic root of 11097810 is about 223.0552391192.

The spelling of 11097810 in words is "eleven million, ninety-seven thousand, eight hundred ten".