11331045 has 36 divisors (see below), whose sum is σ = 21598668. Its totient is φ = 5491200.

The previous prime is 11331043. The next prime is 11331053. The reversal of 11331045 is 54013311.

It can be written as a sum of positive squares in 2 ways, for example, as 4186116 + 7144929 = 2046^2 + 2673^2 .

It is not a de Polignac number, because 11331045 - 2¹ = 11331043 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331043) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4405 + ... + 6485.

It is an arithmetic number, because the mean of its divisors is an integer number (599963).

Almost surely, 2^11331045 is an apocalyptic number.

11331045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11331045 is a deficient number, since it is larger than the sum of its proper divisors (10267623).

11331045 is a wasteful number, since it uses less digits than its factorization.

11331045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 11331045 is about 3366.1617608190. The cubic root of 11331045 is about 224.6070177252.

Adding to 11331045 its reverse (54013311), we get a palindrome (65344356).

The spelling of 11331045 in words is "eleven million, three hundred thirty-one thousand, forty-five".