10505555555497 has 8 divisors (see below), whose sum is σ = 11049056605440. Its totient is φ = 9974842765680.

The previous prime is 10505555555479. The next prime is 10505555555503. The reversal of 10505555555497 is 79455555550501.

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

It is a cyclic number.

It is not a de Polignac number, because 10505555555497 - 2²⁷ = 10505421337769 is a prime.

It is a super-2 number, since 2×10505555555497² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505555555477) 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, 3197063347 + ... + 3197066632.

It is an arithmetic number, because the mean of its divisors is an integer number (1381132075680).

Almost surely, 2^{10505555555497} is an apocalyptic number.

It is an amenable number.

10505555555497 is a deficient number, since it is larger than the sum of its proper divisors (543501049943).

10505555555497 is an equidigital number, since it uses as much as digits as its factorization.

10505555555497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394130063.

The product of its (nonzero) digits is 98437500, while the sum is 61.

The spelling of 10505555555497 in words is "ten trillion, five hundred five billion, five hundred fifty-five million, five hundred fifty-five thousand, four hundred ninety-seven".