10531455654561 has 8 divisors (see below), whose sum is σ = 14076273248160. Its totient is φ = 7003804248672.

The previous prime is 10531455654557. The next prime is 10531455654617. The reversal of 10531455654561 is 16545655413501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10531455654561 - 2² = 10531455654557 is a prime.

It is a super-3 number, since 3×10531455654561³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10531455654541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4291545495 + ... + 4291547948.

It is an arithmetic number, because the mean of its divisors is an integer number (1759534156020).

Almost surely, 2^{10531455654561} is an apocalyptic number.

It is an amenable number.

10531455654561 is a deficient number, since it is larger than the sum of its proper divisors (3544817593599).

10531455654561 is an equidigital number, since it uses as much as digits as its factorization.

10531455654561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583093855.

The product of its (nonzero) digits is 5400000, while the sum is 51.

The spelling of 10531455654561 in words is "ten trillion, five hundred thirty-one billion, four hundred fifty-five million, six hundred fifty-four thousand, five hundred sixty-one".