11551697 has 2 divisors, whose sum is σ = 11551698. Its totient is φ = 11551696.

The previous prime is 11551693. The next prime is 11551699. The reversal of 11551697 is 79615511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 3845521 = 2776^2 + 1961^2 .

It is a cyclic number.

It is not a de Polignac number, because 11551697 - 2² = 11551693 is a prime.

Together with 11551699, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₆₀₄₉₉ and since 11551697 and 760499 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11551693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775848 + 5775849.

It is an arithmetic number, because the mean of its divisors is an integer number (5775849).

Almost surely, 2^11551697 is an apocalyptic number.

It is an amenable number.

11551697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551697 is an equidigital number, since it uses as much as digits as its factorization.

11551697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9450, while the sum is 35.

The square root of 11551697 is about 3398.7787512576. The cubic root of 11551697 is about 226.0555962629.

The spelling of 11551697 in words is "eleven million, five hundred fifty-one thousand, six hundred ninety-seven".