10117121579 has 2 divisors, whose sum is σ = 10117121580. Its totient is φ = 10117121578.

The previous prime is 10117121557. The next prime is 10117121639. The reversal of 10117121579 is 97512171101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10117121579 is a prime.

It is a super-2 number, since 2×10117121579² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10117121479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058560789 + 5058560790.

It is an arithmetic number, because the mean of its divisors is an integer number (5058560790).

Almost surely, 2^10117121579 is an apocalyptic number.

10117121579 is a deficient number, since it is larger than the sum of its proper divisors (1).

10117121579 is an equidigital number, since it uses as much as digits as its factorization.

10117121579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 35.

The spelling of 10117121579 in words is "ten billion, one hundred seventeen million, one hundred twenty-one thousand, five hundred seventy-nine".