11697981698099 has 2 divisors, whose sum is σ = 11697981698100. Its totient is φ = 11697981698098.

The previous prime is 11697981698069. The next prime is 11697981698119. The reversal of 11697981698099 is 99089618979611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11697981698099 - 2⁴⁰ = 10598470070323 is a prime.

It is not a weakly prime, because it can be changed into another prime (11697981698009) 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, 5848990849049 + 5848990849050.

It is an arithmetic number, because the mean of its divisors is an integer number (5848990849050).

Almost surely, 2^{11697981698099} is an apocalyptic number.

11697981698099 is a deficient number, since it is larger than the sum of its proper divisors (1).

11697981698099 is an equidigital number, since it uses as much as digits as its factorization.

11697981698099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952342272, while the sum is 83.

The spelling of 11697981698099 in words is "eleven trillion, six hundred ninety-seven billion, nine hundred eighty-one million, six hundred ninety-eight thousand, ninety-nine".