9195151187791 has 2 divisors, whose sum is σ = 9195151187792. Its totient is φ = 9195151187790.

The previous prime is 9195151187777. The next prime is 9195151187813. The reversal of 9195151187791 is 1977811515919.

It is a weak prime.

It is an emirp because it is prime and its reverse (1977811515919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9195151187791 - 2⁵ = 9195151187759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9195151187731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4597575593895 + 4597575593896.

It is an arithmetic number, because the mean of its divisors is an integer number (4597575593896).

Almost surely, 2^{9195151187791} is an apocalyptic number.

9195151187791 is a deficient number, since it is larger than the sum of its proper divisors (1).

9195151187791 is an equidigital number, since it uses as much as digits as its factorization.

9195151187791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7144200, while the sum is 64.

The spelling of 9195151187791 in words is "nine trillion, one hundred ninety-five billion, one hundred fifty-one million, one hundred eighty-seven thousand, seven hundred ninety-one".