11081878 has 4 divisors (see below), whose sum is σ = 16622820. Its totient is φ = 5540938.

The previous prime is 11081843. The next prime is 11081879. The reversal of 11081878 is 87818011.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770468 + ... + 2770471.

It is an arithmetic number, because the mean of its divisors is an integer number (4155705).

Almost surely, 2^11081878 is an apocalyptic number.

11081878 is a deficient number, since it is larger than the sum of its proper divisors (5540942).

11081878 is an equidigital number, since it uses as much as digits as its factorization.

11081878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540941.

The product of its (nonzero) digits is 3584, while the sum is 34.

The square root of 11081878 is about 3328.9454786764. The cubic root of 11081878 is about 222.9484487405.

Adding to 11081878 its reverse (87818011), we get a palindrome (98899889).

The spelling of 11081878 in words is "eleven million, eighty-one thousand, eight hundred seventy-eight".