197111636342522 has 64 divisors (see below), whose sum is σ = 323426100261888. Its totient is φ = 89352244800000.

The previous prime is 197111636342519. The next prime is 197111636342539. The reversal of 197111636342522 is 225243636111791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68992520918 + ... + 68992523774.

It is an arithmetic number, because the mean of its divisors is an integer number (5053532816592).

Almost surely, 2^{197111636342522} is an apocalyptic number.

197111636342522 is a deficient number, since it is larger than the sum of its proper divisors (126314463919366).

197111636342522 is a wasteful number, since it uses less digits than its factorization.

197111636342522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7815.

The product of its digits is 3265920, while the sum is 53.

The spelling of 197111636342522 in words is "one hundred ninety-seven trillion, one hundred eleven billion, six hundred thirty-six million, three hundred forty-two thousand, five hundred twenty-two".