10605505109939 has 2 divisors, whose sum is σ = 10605505109940. Its totient is φ = 10605505109938.

The previous prime is 10605505109909. The next prime is 10605505109951. The reversal of 10605505109939 is 93990150550601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10605505109939 - 2³⁶ = 10536785633203 is a prime.

It is a super-2 number, since 2×10605505109939² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10605505109909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5302752554969 + 5302752554970.

It is an arithmetic number, because the mean of its divisors is an integer number (5302752554970).

Almost surely, 2^{10605505109939} is an apocalyptic number.

10605505109939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10605505109939 is an equidigital number, since it uses as much as digits as its factorization.

10605505109939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1640250, while the sum is 53.

The spelling of 10605505109939 in words is "ten trillion, six hundred five billion, five hundred five million, one hundred nine thousand, nine hundred thirty-nine".