4112861091197 has 4 divisors (see below), whose sum is σ = 4159073013660. Its totient is φ = 4066649168736.

The previous prime is 4112861091193. The next prime is 4112861091211. The reversal of 4112861091197 is 7911901682114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2141718098521 + 1971142992676 = 1463461^2 + 1403974^2 .

It is a cyclic number.

It is not a de Polignac number, because 4112861091197 - 2² = 4112861091193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4112861091193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23105961098 + ... + 23105961275.

It is an arithmetic number, because the mean of its divisors is an integer number (1039768253415).

Almost surely, 2^{4112861091197} is an apocalyptic number.

It is an amenable number.

4112861091197 is a deficient number, since it is larger than the sum of its proper divisors (46211922463).

4112861091197 is an equidigital number, since it uses as much as digits as its factorization.

4112861091197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46211922462.

The product of its (nonzero) digits is 217728, while the sum is 50.

The spelling of 4112861091197 in words is "four trillion, one hundred twelve billion, eight hundred sixty-one million, ninety-one thousand, one hundred ninety-seven".