1011443505453 has 48 divisors (see below), whose sum is σ = 1536717536640. Its totient is φ = 640125763200.

The previous prime is 1011443505451. The next prime is 1011443505463. The reversal of 1011443505453 is 3545053441101.

1011443505453 is a `hidden beast` number, since 1 + 0 + 1 + 144 + 3 + 505 + 4 + 5 + 3 = 666.

It is not a de Polignac number, because 1011443505453 - 2¹ = 1011443505451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011443505451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47290600 + ... + 47311982.

It is an arithmetic number, because the mean of its divisors is an integer number (32014948680).

Almost surely, 2^{1011443505453} is an apocalyptic number.

It is an amenable number.

1011443505453 is a deficient number, since it is larger than the sum of its proper divisors (525274031187).

1011443505453 is a wasteful number, since it uses less digits than its factorization.

1011443505453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24450 (or 24447 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1011443505453 its reverse (3545053441101), we get a palindrome (4556496946554).

The spelling of 1011443505453 in words is "one trillion, eleven billion, four hundred forty-three million, five hundred five thousand, four hundred fifty-three".