191106117413 has 2 divisors, whose sum is σ = 191106117414. Its totient is φ = 191106117412.

The previous prime is 191106117403. The next prime is 191106117481. The reversal of 191106117413 is 314711601191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189218910049 + 1887207364 = 434993^2 + 43442^2 .

It is a cyclic number.

It is not a de Polignac number, because 191106117413 - 2⁸ = 191106117157 is a prime.

It is a super-2 number, since 2×191106117413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191106117403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95553058706 + 95553058707.

It is an arithmetic number, because the mean of its divisors is an integer number (95553058707).

Almost surely, 2^191106117413 is an apocalyptic number.

It is an amenable number.

191106117413 is a deficient number, since it is larger than the sum of its proper divisors (1).

191106117413 is an equidigital number, since it uses as much as digits as its factorization.

191106117413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 191106117413 in words is "one hundred ninety-one billion, one hundred six million, one hundred seventeen thousand, four hundred thirteen".