1100453005 has 4 divisors (see below), whose sum is σ = 1320543612. Its totient is φ = 880362400.

The previous prime is 1100452999. The next prime is 1100453017. The reversal of 1100453005 is 5003540011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5003540011 = 17 ⋅294325883.

It can be written as a sum of positive squares in 2 ways, for example, as 738426276 + 362026729 = 27174^2 + 19027^2 .

It is not a de Polignac number, because 1100453005 - 2¹⁹ = 1099928717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110045296 + ... + 110045305.

It is an arithmetic number, because the mean of its divisors is an integer number (330135903).

Almost surely, 2^1100453005 is an apocalyptic number.

It is an amenable number.

1100453005 is a deficient number, since it is larger than the sum of its proper divisors (220090607).

1100453005 is an equidigital number, since it uses as much as digits as its factorization.

1100453005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220090606.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1100453005 is about 33173.0765079153. The cubic root of 1100453005 is about 1032.4218014791.

Adding to 1100453005 its reverse (5003540011), we get a palindrome (6103993016).

It can be divided in two parts, 110045 and 3005, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 1100453005 in words is "one billion, one hundred million, four hundred fifty-three thousand, five".