10545661223099 has 2 divisors, whose sum is σ = 10545661223100. Its totient is φ = 10545661223098.

The previous prime is 10545661223087. The next prime is 10545661223143. The reversal of 10545661223099 is 99032216654501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10545661223099 - 2⁸ = 10545661222843 is a prime.

It is a super-2 number, since 2×10545661223099² (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 10545661223099.

It is not a weakly prime, because it can be changed into another prime (10545661223299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5272830611549 + 5272830611550.

It is an arithmetic number, because the mean of its divisors is an integer number (5272830611550).

Almost surely, 2^{10545661223099} is an apocalyptic number.

10545661223099 is a deficient number, since it is larger than the sum of its proper divisors (1).

10545661223099 is an equidigital number, since it uses as much as digits as its factorization.

10545661223099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 10545661223099 in words is "ten trillion, five hundred forty-five billion, six hundred sixty-one million, two hundred twenty-three thousand, ninety-nine".