2071172556107 has 4 divisors (see below), whose sum is σ = 2193006235896. Its totient is φ = 1949338876320.

The previous prime is 2071172556083. The next prime is 2071172556149. The reversal of 2071172556107 is 7016552711702.

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

It is a cyclic number.

It is not a de Polignac number, because 2071172556107 - 2¹² = 2071172552011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071172556197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60916839869 + ... + 60916839902.

It is an arithmetic number, because the mean of its divisors is an integer number (548251558974).

Almost surely, 2^{2071172556107} is an apocalyptic number.

2071172556107 is a deficient number, since it is larger than the sum of its proper divisors (121833679789).

2071172556107 is a wasteful number, since it uses less digits than its factorization.

2071172556107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121833679788.

The product of its (nonzero) digits is 205800, while the sum is 44.

The spelling of 2071172556107 in words is "two trillion, seventy-one billion, one hundred seventy-two million, five hundred fifty-six thousand, one hundred seven".