2172095472085 has 32 divisors (see below), whose sum is σ = 3361738464000. Its totient is φ = 1307342722560.

The previous prime is 2172095472077. The next prime is 2172095472121. The reversal of 2172095472085 is 5802745902712.

It is not a de Polignac number, because 2172095472085 - 2³ = 2172095472077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97261360 + ... + 97283689.

It is an arithmetic number, because the mean of its divisors is an integer number (105054327000).

Almost surely, 2^{2172095472085} is an apocalyptic number.

It is an amenable number.

2172095472085 is a deficient number, since it is larger than the sum of its proper divisors (1189642991915).

2172095472085 is a wasteful number, since it uses less digits than its factorization.

2172095472085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194545101.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 2172095472085 in words is "two trillion, one hundred seventy-two billion, ninety-five million, four hundred seventy-two thousand, eighty-five".