11100230545 has 4 divisors (see below), whose sum is σ = 13320276660. Its totient is φ = 8880184432.

The previous prime is 11100230509. The next prime is 11100230567. The reversal of 11100230545 is 54503200111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54503200111 = 166021 ⋅328291.

It can be written as a sum of positive squares in 2 ways, for example, as 1208535696 + 9891694849 = 34764^2 + 99457^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100230545 - 2⁷ = 11100230417 is a prime.

It is an unprimeable number.

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, 1110023050 + ... + 1110023059.

It is an arithmetic number, because the mean of its divisors is an integer number (3330069165).

Almost surely, 2^11100230545 is an apocalyptic number.

It is an amenable number.

11100230545 is a deficient number, since it is larger than the sum of its proper divisors (2220046115).

11100230545 is an equidigital number, since it uses as much as digits as its factorization.

11100230545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220046114.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 11100230545 its reverse (54503200111), we get a palindrome (65603430656).

The spelling of 11100230545 in words is "eleven billion, one hundred million, two hundred thirty thousand, five hundred forty-five".