11061810 has 48 divisors (see below), whose sum is σ = 29104920. Its totient is φ = 2914560.

The previous prime is 11061803. The next prime is 11061811. The reversal of 11061810 is 1816011.

It can be written as a sum of positive squares in 4 ways, for example, as 6985449 + 4076361 = 2643^2 + 2019^2 .

It is a super-2 number, since 2×11061810² = 244727280952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11061811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7320 + ... + 8700.

Almost surely, 2^11061810 is an apocalyptic number.

11061810 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 11061810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14552460).

11061810 is an abundant number, since it is smaller than the sum of its proper divisors (18043110).

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

11061810 is a wasteful number, since it uses less digits than its factorization.

11061810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 11061810 is about 3325.9299451432. The cubic root of 11061810 is about 222.8137894676.

Adding to 11061810 its reverse (1816011), we get a palindrome (12877821).

It can be divided in two parts, 1106 and 1810, that added together give a square (2916 = 54²).

The spelling of 11061810 in words is "eleven million, sixty-one thousand, eight hundred ten".