11605157 has 2 divisors, whose sum is σ = 11605158. Its totient is φ = 11605156.

The previous prime is 11605151. The next prime is 11605183. The reversal of 11605157 is 75150611.

It is an a-pointer prime, because the next prime (11605183) can be obtained adding 11605157 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11498881 + 106276 = 3391^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 11605157 - 2⁶ = 11605093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11605151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802578 + 5802579.

It is an arithmetic number, because the mean of its divisors is an integer number (5802579).

Almost surely, 2^11605157 is an apocalyptic number.

It is an amenable number.

11605157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605157 is an equidigital number, since it uses as much as digits as its factorization.

11605157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 11605157 is about 3406.6342627291. The cubic root of 11605157 is about 226.4037799504.

Adding to 11605157 its reverse (75150611), we get a palindrome (86755768).

The spelling of 11605157 in words is "eleven million, six hundred five thousand, one hundred fifty-seven".