10500055605 has 24 divisors (see below), whose sum is σ = 19600104888. Its totient is φ = 5169257856.

The previous prime is 10500055603. The next prime is 10500055609. The reversal of 10500055605 is 50655000501.

10500055605 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 0 + 0 + 55 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15729156 + 10484326449 = 3966^2 + 102393^2 .

It is not a de Polignac number, because 10500055605 - 2¹ = 10500055603 is a prime.

It is a super-2 number, since 2×10500055605² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500055603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8973822 + ... + 8974991.

It is an arithmetic number, because the mean of its divisors is an integer number (816671037).

Almost surely, 2^10500055605 is an apocalyptic number.

10500055605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10500055605 is a deficient number, since it is larger than the sum of its proper divisors (9100049283).

10500055605 is a wasteful number, since it uses less digits than its factorization.

10500055605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17948837 (or 17948834 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 10500055605 in words is "ten billion, five hundred million, fifty-five thousand, six hundred five".