11804157 has 8 divisors (see below), whose sum is σ = 17487680. Its totient is φ = 7869420.

The previous prime is 11804153. The next prime is 11804161. The reversal of 11804157 is 75140811.

It is an interprime number because it is at equal distance from previous prime (11804153) and next prime (11804161).

It is not a de Polignac number, because 11804157 - 2² = 11804153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 437191 = 11804157 / (1 + 1 + 8 + 0 + 4 + 1 + 5 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11804157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11804153) 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, 218569 + ... + 218622.

It is an arithmetic number, because the mean of its divisors is an integer number (2185960).

Almost surely, 2^11804157 is an apocalyptic number.

It is an amenable number.

11804157 is a deficient number, since it is larger than the sum of its proper divisors (5683523).

11804157 is an equidigital number, since it uses as much as digits as its factorization.

11804157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437200 (or 437194 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 11804157 is about 3435.7178289260. The cubic root of 11804157 is about 227.6905427774.

Adding to 11804157 its reverse (75140811), we get a palindrome (86944968).

The spelling of 11804157 in words is "eleven million, eight hundred four thousand, one hundred fifty-seven".