11825501 has 4 divisors (see below), whose sum is σ = 11915904. Its totient is φ = 11735100.

The previous prime is 11825497. The next prime is 11825531. The reversal of 11825501 is 10552811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10552811 = 127 ⋅83093.

It is a cyclic number.

It is not a de Polignac number, because 11825501 - 2² = 11825497 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 (11825531) 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, 45005 + ... + 45266.

It is an arithmetic number, because the mean of its divisors is an integer number (2978976).

Almost surely, 2^11825501 is an apocalyptic number.

It is an amenable number.

11825501 is a deficient number, since it is larger than the sum of its proper divisors (90403).

11825501 is an equidigital number, since it uses as much as digits as its factorization.

11825501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90402.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 11825501 is about 3438.8226182809. The cubic root of 11825501 is about 227.8276950462.

The spelling of 11825501 in words is "eleven million, eight hundred twenty-five thousand, five hundred one".