10505555555498 has 16 divisors (see below), whose sum is σ = 15768557593800. Its totient is φ = 5249370240000.

The previous prime is 10505555555479. The next prime is 10505555555503. The reversal of 10505555555498 is 89455555550501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3211704847129 + 7293850708369 = 1792123^2 + 2700713^2 .

It is a super-2 number, since 2×10505555555498² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10505555555498.

It is an unprimeable number.

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, 40027898 + ... + 40289498.

Almost surely, 2^{10505555555498} is an apocalyptic number.

10505555555498 is a deficient number, since it is larger than the sum of its proper divisors (5263002038302).

10505555555498 is a wasteful number, since it uses less digits than its factorization.

10505555555498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274553.

The product of its (nonzero) digits is 112500000, while the sum is 62.

The spelling of 10505555555498 in words is "ten trillion, five hundred five billion, five hundred fifty-five million, five hundred fifty-five thousand, four hundred ninety-eight".