4135861271291 has 2 divisors, whose sum is σ = 4135861271292. Its totient is φ = 4135861271290.

The previous prime is 4135861271257. The next prime is 4135861271299. The reversal of 4135861271291 is 1921721685314.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4135861271291 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4135861271299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067930635645 + 2067930635646.

It is an arithmetic number, because the mean of its divisors is an integer number (2067930635646).

Almost surely, 2^{4135861271291} is an apocalyptic number.

4135861271291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4135861271291 is an equidigital number, since it uses as much as digits as its factorization.

4135861271291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 50.

The spelling of 4135861271291 in words is "four trillion, one hundred thirty-five billion, eight hundred sixty-one million, two hundred seventy-one thousand, two hundred ninety-one".