11261020 has 12 divisors (see below), whose sum is σ = 23648184. Its totient is φ = 4504400.

The previous prime is 11261017. The next prime is 11261023. The reversal of 11261020 is 2016211.

It is an interprime number because it is at equal distance from previous prime (11261017) and next prime (11261023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261023) 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 3 ways as a sum of consecutive naturals, for example, 281506 + ... + 281545.

It is an arithmetic number, because the mean of its divisors is an integer number (1970682).

Almost surely, 2^11261020 is an apocalyptic number.

11261020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11261020 is an abundant number, since it is smaller than the sum of its proper divisors (12387164).

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

11261020 is a wasteful number, since it uses less digits than its factorization.

11261020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563060 (or 563058 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11261020 is about 3355.7443287593. The cubic root of 11261020 is about 224.1433765337.

Adding to 11261020 its reverse (2016211), we get a palindrome (13277231).

The spelling of 11261020 in words is "eleven million, two hundred sixty-one thousand, twenty".