11361000 has 128 divisors (see below), whose sum is σ = 40584960. Its totient is φ = 2592000.

The previous prime is 11360983. The next prime is 11361001. The reversal of 11361000 is 16311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20730 + ... + 21270.

It is an arithmetic number, because the mean of its divisors is an integer number (317070).

Almost surely, 2^11361000 is an apocalyptic number.

11361000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11361000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20292480).

11361000 is an abundant number, since it is smaller than the sum of its proper divisors (29223960).

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

11361000 is a wasteful number, since it uses less digits than its factorization.

11361000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11361000 is about 3370.6082537133. The cubic root of 11361000 is about 224.8047689198.

Adding to 11361000 its reverse (16311), we get a palindrome (11377311).

The spelling of 11361000 in words is "eleven million, three hundred sixty-one thousand".