10545355553 has 4 divisors (see below), whose sum is σ = 10547286420. Its totient is φ = 10543424688.

The previous prime is 10545355531. The next prime is 10545355577. The reversal of 10545355553 is 35555354501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35555354501 = 197 ⋅180484033.

It can be written as a sum of positive squares in 2 ways, for example, as 10041442849 + 503912704 = 100207^2 + 22448^2 .

It is a cyclic number.

It is not a de Polignac number, because 10545355553 - 2¹² = 10545351457 is a prime.

It is a super-2 number, since 2×10545355553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10545355553.

It is not an unprimeable number, because it can be changed into a prime (10545355853) 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, 957218 + ... + 968171.

It is an arithmetic number, because the mean of its divisors is an integer number (2636821605).

Almost surely, 2^10545355553 is an apocalyptic number.

It is an amenable number.

10545355553 is a deficient number, since it is larger than the sum of its proper divisors (1930867).

10545355553 is an equidigital number, since it uses as much as digits as its factorization.

10545355553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930866.

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 10545355553 in words is "ten billion, five hundred forty-five million, three hundred fifty-five thousand, five hundred fifty-three".