11107881 has 16 divisors (see below), whose sum is σ = 16902400. Its totient is φ = 7204464.

The previous prime is 11107867. The next prime is 11107891. The reversal of 11107881 is 18870111.

It is not a de Polignac number, because 11107881 - 2¹¹ = 11105833 is a prime.

It is a super-2 number, since 2×11107881² = 246770040620322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11107891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4561 + ... + 6558.

It is an arithmetic number, because the mean of its divisors is an integer number (1056400).

Almost surely, 2^11107881 is an apocalyptic number.

It is an amenable number.

11107881 is a deficient number, since it is larger than the sum of its proper divisors (5794519).

11107881 is a wasteful number, since it uses less digits than its factorization.

11107881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165 (or 11159 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

The square root of 11107881 is about 3332.8487814481. The cubic root of 11107881 is about 223.1226911702.

Adding to 11107881 its reverse (18870111), we get a palindrome (29977992).

The spelling of 11107881 in words is "eleven million, one hundred seven thousand, eight hundred eighty-one".