11114981 has 4 divisors (see below), whose sum is σ = 11700000. Its totient is φ = 10529964.

The previous prime is 11114969. The next prime is 11115007. The reversal of 11114981 is 18941111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11114981 is a prime.

It is a super-2 number, since 2×11114981² = 247085605260722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11114981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11114921) 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 3 ways as a sum of consecutive naturals, for example, 292481 + ... + 292518.

It is an arithmetic number, because the mean of its divisors is an integer number (2925000).

Almost surely, 2^11114981 is an apocalyptic number.

It is an amenable number.

11114981 is a deficient number, since it is larger than the sum of its proper divisors (585019).

11114981 is an equidigital number, since it uses as much as digits as its factorization.

11114981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585018.

The product of its digits is 288, while the sum is 26.

The square root of 11114981 is about 3333.9137661313. The cubic root of 11114981 is about 223.1702199984.

The spelling of 11114981 in words is "eleven million, one hundred fourteen thousand, nine hundred eighty-one".