11230157 has 2 divisors, whose sum is σ = 11230158. Its totient is φ = 11230156.

The previous prime is 11230139. The next prime is 11230169. The reversal of 11230157 is 75103211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 4748041 = 2546^2 + 2179^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230157 - 2¹⁴ = 11213773 is a prime.

It is a super-2 number, since 2×11230157² = 252232852489298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615078 + 5615079.

It is an arithmetic number, because the mean of its divisors is an integer number (5615079).

Almost surely, 2^11230157 is an apocalyptic number.

It is an amenable number.

11230157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230157 is an equidigital number, since it uses as much as digits as its factorization.

11230157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11230157 is about 3351.1426409510. The cubic root of 11230157 is about 223.9384197752.

Adding to 11230157 its reverse (75103211), we get a palindrome (86333368).

The spelling of 11230157 in words is "eleven million, two hundred thirty thousand, one hundred fifty-seven".