11157717 has 4 divisors (see below), whose sum is σ = 14876960. Its totient is φ = 7438476.

The previous prime is 11157709. The next prime is 11157739. The reversal of 11157717 is 71775111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11157717 - 2³ = 11157709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859617 + ... + 1859622.

It is an arithmetic number, because the mean of its divisors is an integer number (3719240).

Almost surely, 2^11157717 is an apocalyptic number.

It is an amenable number.

11157717 is a deficient number, since it is larger than the sum of its proper divisors (3719243).

11157717 is an equidigital number, since it uses as much as digits as its factorization.

11157717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719242.

The product of its digits is 1715, while the sum is 30.

The square root of 11157717 is about 3340.3169011338. The cubic root of 11157717 is about 223.4558766603.

The spelling of 11157717 in words is "eleven million, one hundred fifty-seven thousand, seven hundred seventeen".