11140885 has 24 divisors (see below), whose sum is σ = 15985080. Its totient is φ = 7426944.

The previous prime is 11140837. The next prime is 11140903. The reversal of 11140885 is 58804111.

11140885 = 1051² + 1052² + ... + 1060².

It can be written as a sum of positive squares in 4 ways, for example, as 6671889 + 4468996 = 2583^2 + 2114^2 .

It is not a de Polignac number, because 11140885 - 2⁷ = 11140757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8451 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (666045).

Almost surely, 2^11140885 is an apocalyptic number.

It is an amenable number.

11140885 is a deficient number, since it is larger than the sum of its proper divisors (4844195).

11140885 is a wasteful number, since it uses less digits than its factorization.

11140885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 11140885 is about 3337.7964287835. The cubic root of 11140885 is about 223.3434551488.

Adding to 11140885 its reverse (58804111), we get a palindrome (69944996).

The spelling of 11140885 in words is "eleven million, one hundred forty thousand, eight hundred eighty-five".