11097157 has 2 divisors, whose sum is σ = 11097158. Its totient is φ = 11097156.

The previous prime is 11097131. The next prime is 11097161. The reversal of 11097157 is 75179011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 638401 = 3234^2 + 799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11097157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11097187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5548578 + 5548579.

It is an arithmetic number, because the mean of its divisors is an integer number (5548579).

Almost surely, 2^11097157 is an apocalyptic number.

It is an amenable number.

11097157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11097157 is an equidigital number, since it uses as much as digits as its factorization.

11097157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 11097157 is about 3331.2395590831. The cubic root of 11097157 is about 223.0508641440.

The spelling of 11097157 in words is "eleven million, ninety-seven thousand, one hundred fifty-seven".