11157697 has 2 divisors, whose sum is σ = 11157698. Its totient is φ = 11157696.

The previous prime is 11157689. The next prime is 11157701. The reversal of 11157697 is 79675111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10042561 + 1115136 = 3169^2 + 1056^2 .

It is a cyclic number.

It is not a de Polignac number, because 11157697 - 2³ = 11157689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11157677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578848 + 5578849.

It is an arithmetic number, because the mean of its divisors is an integer number (5578849).

Almost surely, 2^11157697 is an apocalyptic number.

It is an amenable number.

11157697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11157697 is an equidigital number, since it uses as much as digits as its factorization.

11157697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 37.

The square root of 11157697 is about 3340.3139074045. The cubic root of 11157697 is about 223.4557431467.

The spelling of 11157697 in words is "eleven million, one hundred fifty-seven thousand, six hundred ninety-seven".