11155697 has 8 divisors (see below), whose sum is σ = 12773952. Its totient is φ = 9543600.

The previous prime is 11155673. The next prime is 11155721. The reversal of 11155697 is 79655111.

It is a happy number.

11155697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11155673) and next prime (11155721).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11155697 - 2²⁰ = 10107121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11155607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3422 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (1596744).

Almost surely, 2^11155697 is an apocalyptic number.

It is an amenable number.

11155697 is a deficient number, since it is larger than the sum of its proper divisors (1618255).

11155697 is an equidigital number, since it uses as much as digits as its factorization.

11155697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079.

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

The square root of 11155697 is about 3340.0145209265. The cubic root of 11155697 is about 223.4423909830.

The spelling of 11155697 in words is "eleven million, one hundred fifty-five thousand, six hundred ninety-seven".