11056261453 has 4 divisors (see below), whose sum is σ = 11130464700. Its totient is φ = 10982058208.

The previous prime is 11056261429. The next prime is 11056261477. The reversal of 11056261453 is 35416265011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35416265011 = 43987 ⋅805153.

It is an interprime number because it is at equal distance from previous prime (11056261429) and next prime (11056261477).

It can be written as a sum of positive squares in 2 ways, for example, as 5013064809 + 6043196644 = 70803^2 + 77738^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056261453 - 2²¹ = 11054164301 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 (11056061453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37101400 + ... + 37101697.

It is an arithmetic number, because the mean of its divisors is an integer number (2782616175).

Almost surely, 2^11056261453 is an apocalyptic number.

It is an amenable number.

11056261453 is a deficient number, since it is larger than the sum of its proper divisors (74203247).

11056261453 is an equidigital number, since it uses as much as digits as its factorization.

11056261453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74203246.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 11056261453 in words is "eleven billion, fifty-six million, two hundred sixty-one thousand, four hundred fifty-three".