11180838 has 8 divisors (see below), whose sum is σ = 22361688. Its totient is φ = 3726944.

The previous prime is 11180837. The next prime is 11180839. The reversal of 11180838 is 83808111.

11180838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11180837) and next prime (11180839).

It is a sphenic number, since it is the product of 3 distinct primes.

11180838 is an admirable number.

It is a super-2 number, since 2×11180838² = 250022276764488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11180831) 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, 931731 + ... + 931742.

It is an arithmetic number, because the mean of its divisors is an integer number (2795211).

Almost surely, 2^11180838 is an apocalyptic number.

11180838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11180838 is a wasteful number, since it uses less digits than its factorization.

11180838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863478.

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 11180838 is about 3343.7760092446. The cubic root of 11180838 is about 223.6101184507.

Adding to 11180838 its reverse (83808111), we get a palindrome (94988949).

The spelling of 11180838 in words is "eleven million, one hundred eighty thousand, eight hundred thirty-eight".