197102955320895 has 96 divisors (see below), whose sum is σ = 353281527406080. Its totient is φ = 93684905233920.

The previous prime is 197102955320879. The next prime is 197102955320911. The reversal of 197102955320895 is 598023559201791.

It is a Cunningham number, because it is equal to 14039336²-1.

It is an interprime number because it is at equal distance from previous prime (197102955320879) and next prime (197102955320911).

It is not a de Polignac number, because 197102955320895 - 2⁴ = 197102955320879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2035655454 + ... + 2035752276.

It is an arithmetic number, because the mean of its divisors is an integer number (3680015910480).

Almost surely, 2^{197102955320895} is an apocalyptic number.

197102955320895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197102955320895 is a deficient number, since it is larger than the sum of its proper divisors (156178572085185).

197102955320895 is a wasteful number, since it uses less digits than its factorization.

197102955320895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124577 (or 124564 counting only the distinct ones).

The product of its (nonzero) digits is 61236000, while the sum is 66.

The spelling of 197102955320895 in words is "one hundred ninety-seven trillion, one hundred two billion, nine hundred fifty-five million, three hundred twenty thousand, eight hundred ninety-five".