11126501 has 4 divisors (see below), whose sum is σ = 11136492. Its totient is φ = 11116512.

The previous prime is 11126497. The next prime is 11126519. The reversal of 11126501 is 10562111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10562111 = 7 ⋅1508873.

It can be written as a sum of positive squares in 2 ways, for example, as 9449476 + 1677025 = 3074^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 11126501 - 2² = 11126497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11126501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11126561) 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, 3080 + ... + 5633.

It is an arithmetic number, because the mean of its divisors is an integer number (2784123).

Almost surely, 2^11126501 is an apocalyptic number.

It is an amenable number.

11126501 is a deficient number, since it is larger than the sum of its proper divisors (9991).

11126501 is an equidigital number, since it uses as much as digits as its factorization.

11126501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 11126501 is about 3335.6410178555. The cubic root of 11126501 is about 223.2472941515.

Adding to 11126501 its reverse (10562111), we get a palindrome (21688612).

The spelling of 11126501 in words is "eleven million, one hundred twenty-six thousand, five hundred one".