11115834453 has 12 divisors (see below), whose sum is σ = 16057240108. Its totient is φ = 7410078720.

The previous prime is 11115834439. The next prime is 11115834481. The reversal of 11115834453 is 35443851111.

11115834453 is a `hidden beast` number, since 11 + 11 + 583 + 4 + 4 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8307046449 + 2808788004 = 91143^2 + 52998^2 .

It is not a de Polignac number, because 11115834453 - 2⁴ = 11115834437 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 (11115834253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160851 + ... + 219327.

Almost surely, 2^11115834453 is an apocalyptic number.

It is an amenable number.

11115834453 is a deficient number, since it is larger than the sum of its proper divisors (4941405655).

11115834453 is a wasteful number, since it uses less digits than its factorization.

11115834453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79604 (or 79601 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 11115834453 in words is "eleven billion, one hundred fifteen million, eight hundred thirty-four thousand, four hundred fifty-three".