11506501 has 8 divisors (see below), whose sum is σ = 12213504. Its totient is φ = 10802880.

The previous prime is 11506489. The next prime is 11506507. The reversal of 11506501 is 10560511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11506501 - 2¹¹ = 11504453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506507) 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 7 ways as a sum of consecutive naturals, for example, 11116 + ... + 12106.

It is an arithmetic number, because the mean of its divisors is an integer number (1526688).

Almost surely, 2^11506501 is an apocalyptic number.

It is an amenable number.

11506501 is a deficient number, since it is larger than the sum of its proper divisors (707003).

11506501 is an equidigital number, since it uses as much as digits as its factorization.

11506501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 11506501 is about 3392.1233762940. The cubic root of 11506501 is about 225.7603968596.

The spelling of 11506501 in words is "eleven million, five hundred six thousand, five hundred one".