191012795041 has 2 divisors, whose sum is σ = 191012795042. Its totient is φ = 191012795040.

The previous prime is 191012795033. The next prime is 191012795111. The reversal of 191012795041 is 140597210191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186188798016 + 4823997025 = 431496^2 + 69455^2 .

It is an emirp because it is prime and its reverse (140597210191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 191012795041 - 2³ = 191012795033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 191012794985 and 191012795003.

It is not a weakly prime, because it can be changed into another prime (191012795011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95506397520 + 95506397521.

It is an arithmetic number, because the mean of its divisors is an integer number (95506397521).

Almost surely, 2^191012795041 is an apocalyptic number.

It is an amenable number.

191012795041 is a deficient number, since it is larger than the sum of its proper divisors (1).

191012795041 is an equidigital number, since it uses as much as digits as its factorization.

191012795041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 40.

The spelling of 191012795041 in words is "one hundred ninety-one billion, twelve million, seven hundred ninety-five thousand, forty-one".