10511454553 has 4 divisors (see below), whose sum is σ = 10511665380. Its totient is φ = 10511243728.

The previous prime is 10511454539. The next prime is 10511454557. The reversal of 10511454553 is 35545411501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35545411501 = 10267 ⋅3462103.

It can be written as a sum of positive squares in 2 ways, for example, as 5536550464 + 4974904089 = 74408^2 + 70533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10511454553 is a prime.

It is a super-2 number, since 2×10511454553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10511454557) 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, 15951 + ... + 145867.

It is an arithmetic number, because the mean of its divisors is an integer number (2627916345).

Almost surely, 2^10511454553 is an apocalyptic number.

It is an amenable number.

10511454553 is a deficient number, since it is larger than the sum of its proper divisors (210827).

10511454553 is an equidigital number, since it uses as much as digits as its factorization.

10511454553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210826.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 10511454553 in words is "ten billion, five hundred eleven million, four hundred fifty-four thousand, five hundred fifty-three".