11115045 has 12 divisors (see below), whose sum is σ = 19266156. Its totient is φ = 5928000.

The previous prime is 11115023. The next prime is 11115061. The reversal of 11115045 is 54051111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1640961 + 9474084 = 1281^2 + 3078^2 .

It is not a de Polignac number, because 11115045 - 2⁹ = 11114533 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123456 + ... + 123545.

It is an arithmetic number, because the mean of its divisors is an integer number (1605513).

Almost surely, 2^11115045 is an apocalyptic number.

11115045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11115045 is a deficient number, since it is larger than the sum of its proper divisors (8151111).

11115045 is a wasteful number, since it uses less digits than its factorization.

11115045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247012 (or 247009 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 11115045 is about 3333.9233644462. The cubic root of 11115045 is about 223.1706483352.

Adding to 11115045 its reverse (54051111), we get a palindrome (65166156).

The spelling of 11115045 in words is "eleven million, one hundred fifteen thousand, forty-five".