1100320322453 has 32 divisors (see below), whose sum is σ = 1244172939264. Its totient is φ = 964454400000.

The previous prime is 1100320322411. The next prime is 1100320322489. The reversal of 1100320322453 is 3542230230011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1100320322453 - 2⁶ = 1100320322389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100320322653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40919573 + ... + 40946453.

It is an arithmetic number, because the mean of its divisors is an integer number (38880404352).

Almost surely, 2^{1100320322453} is an apocalyptic number.

It is an amenable number.

1100320322453 is a deficient number, since it is larger than the sum of its proper divisors (143852616811).

1100320322453 is a wasteful number, since it uses less digits than its factorization.

1100320322453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28157.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1100320322453 its reverse (3542230230011), we get a palindrome (4642550552464).

The spelling of 1100320322453 in words is "one trillion, one hundred billion, three hundred twenty million, three hundred twenty-two thousand, four hundred fifty-three".