2171573975032 has 128 divisors (see below), whose sum is σ = 5479780377600. Its totient is φ = 781375795200.

The previous prime is 2171573975029. The next prime is 2171573975083. The reversal of 2171573975032 is 2305793751712.

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, 2231769 + ... + 3053512.

It is an arithmetic number, because the mean of its divisors is an integer number (42810784200).

Almost surely, 2^{2171573975032} is an apocalyptic number.

2171573975032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2171573975032 is an abundant number, since it is smaller than the sum of its proper divisors (3308206402568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2171573975032 is a wasteful number, since it uses less digits than its factorization.

2171573975032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285357 (or 5285353 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 52.

The spelling of 2171573975032 in words is "two trillion, one hundred seventy-one billion, five hundred seventy-three million, nine hundred seventy-five thousand, thirty-two".