11116545 has 32 divisors (see below), whose sum is σ = 19647360. Its totient is φ = 5322240.

The previous prime is 11116543. The next prime is 11116549. The reversal of 11116545 is 54561111.

It is not a de Polignac number, because 11116545 - 2¹ = 11116543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11116543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14307 + ... + 15063.

It is an arithmetic number, because the mean of its divisors is an integer number (613980).

It is a Proth number, since it is equal to 1357 ⋅ 2¹³ + 1 and 1357 < 2¹³.

Almost surely, 2^11116545 is an apocalyptic number.

11116545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11116545 is a deficient number, since it is larger than the sum of its proper divisors (8530815).

11116545 is a wasteful number, since it uses less digits than its factorization.

11116545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its digits is 600, while the sum is 24.

The square root of 11116545 is about 3334.1483170369. The cubic root of 11116545 is about 223.1806870084.

Adding to 11116545 its reverse (54561111), we get a palindrome (65677656).

The spelling of 11116545 in words is "eleven million, one hundred sixteen thousand, five hundred forty-five".