2175026532645 has 32 divisors (see below), whose sum is σ = 3549040572672. Its totient is φ = 1137055974912.

The previous prime is 2175026532599. The next prime is 2175026532649. The reversal of 2175026532645 is 5462356205712.

It is not a de Polignac number, because 2175026532645 - 2²³ = 2175018144037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2175026532594 and 2175026532603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175026532649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441784 + ... + 2131953.

It is an arithmetic number, because the mean of its divisors is an integer number (110907517896).

Almost surely, 2^{2175026532645} is an apocalyptic number.

It is an amenable number.

2175026532645 is a deficient number, since it is larger than the sum of its proper divisors (1374014040027).

2175026532645 is a wasteful number, since it uses less digits than its factorization.

2175026532645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574861.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 2175026532645 in words is "two trillion, one hundred seventy-five billion, twenty-six million, five hundred thirty-two thousand, six hundred forty-five".