2861211726071 has 8 divisors (see below), whose sum is σ = 2944060193664. Its totient is φ = 2779432271200.

The previous prime is 2861211726053. The next prime is 2861211726097. The reversal of 2861211726071 is 1706271121682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2861211726071 - 2¹⁴ = 2861211709687 is a prime.

It is a super-2 number, since 2×2861211726071² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861211726011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267247751 + ... + 267258456.

It is an arithmetic number, because the mean of its divisors is an integer number (368007524208).

Almost surely, 2^{2861211726071} is an apocalyptic number.

2861211726071 is a deficient number, since it is larger than the sum of its proper divisors (82848467593).

2861211726071 is a wasteful number, since it uses less digits than its factorization.

2861211726071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534506361.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 2861211726071 in words is "two trillion, eight hundred sixty-one billion, two hundred eleven million, seven hundred twenty-six thousand, seventy-one".