11161787 has 16 divisors (see below), whose sum is σ = 13836480. Its totient is φ = 8767872.

The previous prime is 11161783. The next prime is 11161789. The reversal of 11161787 is 78716111.

11161787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11161787 - 2² = 11161783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11161783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15389 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (864780).

Almost surely, 2^11161787 is an apocalyptic number.

11161787 is a deficient number, since it is larger than the sum of its proper divisors (2674693).

11161787 is a wasteful number, since it uses less digits than its factorization.

11161787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its digits is 2352, while the sum is 32.

The square root of 11161787 is about 3340.9260692209. The cubic root of 11161787 is about 223.4830433545.

Adding to 11161787 its reverse (78716111), we get a palindrome (89877898).

The spelling of 11161787 in words is "eleven million, one hundred sixty-one thousand, seven hundred eighty-seven".