11155060453 has 4 divisors (see below), whose sum is σ = 11539717740. Its totient is φ = 10770403168.

The previous prime is 11155060451. The next prime is 11155060481. The reversal of 11155060453 is 35406055111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9036023364 + 2119037089 = 95058^2 + 46033^2 .

It is a cyclic number.

It is not a de Polignac number, because 11155060453 - 2¹ = 11155060451 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 (11155060451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192328600 + ... + 192328657.

It is an arithmetic number, because the mean of its divisors is an integer number (2884929435).

Almost surely, 2^11155060453 is an apocalyptic number.

It is an amenable number.

11155060453 is a deficient number, since it is larger than the sum of its proper divisors (384657287).

11155060453 is an equidigital number, since it uses as much as digits as its factorization.

11155060453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384657286.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 11155060453 in words is "eleven billion, one hundred fifty-five million, sixty thousand, four hundred fifty-three".