11505104453 has 16 divisors (see below), whose sum is σ = 11991099120. Its totient is φ = 11029478400.

The previous prime is 11505104449. The next prime is 11505104461. The reversal of 11505104453 is 35440150511.

It can be written as a sum of positive squares in 8 ways, for example, as 37478884 + 11467625569 = 6122^2 + 107087^2 .

It is a cyclic number.

It is not a de Polignac number, because 11505104453 - 2² = 11505104449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11505104053) 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, 722093 + ... + 737853.

It is an arithmetic number, because the mean of its divisors is an integer number (749443695).

Almost surely, 2^11505104453 is an apocalyptic number.

It is an amenable number.

11505104453 is a deficient number, since it is larger than the sum of its proper divisors (485994667).

11505104453 is a wasteful number, since it uses less digits than its factorization.

11505104453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 11505104453 its reverse (35440150511), we get a palindrome (46945254964).

The spelling of 11505104453 in words is "eleven billion, five hundred five million, one hundred four thousand, four hundred fifty-three".