10645511117 has 2 divisors, whose sum is σ = 10645511118. Its totient is φ = 10645511116.

The previous prime is 10645511099. The next prime is 10645511141. The reversal of 10645511117 is 71111554601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10097436196 + 548074921 = 100486^2 + 23411^2 .

It is a cyclic number.

It is not a de Polignac number, because 10645511117 - 2²⁴ = 10628733901 is a prime.

It is a super-2 number, since 2×10645511117² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10645511417) by changing a digit.

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 as a sum of consecutive naturals, namely, 5322755558 + 5322755559.

It is an arithmetic number, because the mean of its divisors is an integer number (5322755559).

Almost surely, 2^10645511117 is an apocalyptic number.

It is an amenable number.

10645511117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645511117 is an equidigital number, since it uses as much as digits as its factorization.

10645511117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 32.

The spelling of 10645511117 in words is "ten billion, six hundred forty-five million, five hundred eleven thousand, one hundred seventeen".