11320403045 has 16 divisors (see below), whose sum is σ = 15529207680. Its totient is φ = 7760520384.

The previous prime is 11320403027. The next prime is 11320403047. The reversal of 11320403045 is 54030402311.

It is a cyclic number.

It is not a de Polignac number, because 11320403045 - 2¹⁴ = 11320386661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11320403045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320403047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99074 + ... + 180156.

It is an arithmetic number, because the mean of its divisors is an integer number (970575480).

Almost surely, 2^11320403045 is an apocalyptic number.

It is an amenable number.

11320403045 is a deficient number, since it is larger than the sum of its proper divisors (4208804635).

11320403045 is an equidigital number, since it uses as much as digits as its factorization.

11320403045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85084.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 11320403045 its reverse (54030402311), we get a palindrome (65350805356).

The spelling of 11320403045 in words is "eleven billion, three hundred twenty million, four hundred three thousand, forty-five".