10811136 has 72 divisors (see below), whose sum is σ = 32900224. Its totient is φ = 3087360.

The previous prime is 10811131. The next prime is 10811137. The reversal of 10811136 is 63111801.

It is a super-2 number, since 2×10811136² = 233761323220992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10811131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371 + ... + 6381.

Almost surely, 2^10811136 is an apocalyptic number.

10811136 is a gapful number since it is divisible by the number (16) 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 10811136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16450112).

10811136 is an abundant number, since it is smaller than the sum of its proper divisors (22089088).

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

10811136 is an equidigital number, since it uses as much as digits as its factorization.

10811136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 10811136 is about 3288.0291969507. The cubic root of 10811136 is about 221.1178367374.

Adding to 10811136 its reverse (63111801), we get a palindrome (73922937).

The spelling of 10811136 in words is "ten million, eight hundred eleven thousand, one hundred thirty-six".