2171005057125 has 48 divisors (see below), whose sum is σ = 3913853359104. Its totient is φ = 1157793948000.

The previous prime is 2171005057021. The next prime is 2171005057171. The reversal of 2171005057125 is 5217505001712.

2171005057125 is a `hidden beast` number, since 2 + 1 + 7 + 10 + 0 + 50 + 571 + 25 = 666.

It is not a de Polignac number, because 2171005057125 - 2¹² = 2171005053029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2171005057125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20086980 + ... + 20194770.

It is an arithmetic number, because the mean of its divisors is an integer number (81538611648).

Almost surely, 2^{2171005057125} is an apocalyptic number.

2171005057125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2171005057125 is a deficient number, since it is larger than the sum of its proper divisors (1742848301979).

2171005057125 is a wasteful number, since it uses less digits than its factorization.

2171005057125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125715 (or 125702 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

The spelling of 2171005057125 in words is "two trillion, one hundred seventy-one billion, five million, fifty-seven thousand, one hundred twenty-five".